Allis Chalmers
7040
Farm tractor · 1975–1977 · 151 hp
Allis Chalmers7040
The Allis Chalmers 7040 is a farm tractor manufactured from 1975 to 1977. It features a Allis Chalmers 3500 Mark II engine, and hydrostatic power steering. The transmission is a partial power shift type with 20 forward and 4 reverse.
Engine
| Engine | Allis Chalmers 3500 Mark II |
|---|---|
| Fuel Type | diesel |
| Cylinders | 6 |
| Cooling | liquid-cooled |
| Turbocharger Status | turbocharged diesel |
| Displacement | 426 ci (7 L) |
| Bore | 4.25 in (108 mm) |
| Stroke | 5 in (127 mm) |
| Compression Ratio | 16 |
| Power PTO | 136.49 hp (101.8 kW) |
| Power Drawbar | 114.34 hp (85.3 kW) |
| Starter Volts | 12 |
| Oil Capacity | 19 qts (18 L) |
| Coolant Capacity | 31 qts (29.3 L) |
| Manufacturer | Allis Chalmers |
| Rated | 2,300 RPM |
Transmission
| Transmission Type | partial power shift |
|---|---|
| Transmission Model | Power Director |
| Gears | 20 forward and 4 reverse |
| Transmission Description | Five gears, plus reverse, with two ranges (fast/slow) and high-low power shift. |
| Shift Mechanism | Floor-mounted shifter selects gear, side-console lever selects range. Foot-operated buttons control the Power Director power shift. |
| Available Options | 20-speed partial power shift, 12-speed partial power shift |
Hydraulics
| Type | closed center |
|---|---|
| Pump Flow | 22 gpm (83.3 lpm) |
| Total Flow | 45 gpm (170.3 lpm) |
| System Capacity | 24.1 gal (91.2 L) |
Hitch
| Rear Type | III/II |
|---|
Dimensions
| Length | 173.6 in (440 cm) |
|---|---|
| Width | 95.5 in (242 cm) |
| Height | 87 in (220 cm) |
| Wheelbase | 106 in (269 cm) |
| Front Tread | 62 in (157 cm) |
| Rear Tread | 64 in (162 cm) |
Weight
| Operating | 11,700 lbs (5,307 kg) |
|---|---|
| Ballasted | 17,380 lbs (7,883 kg) |
Tires & Tracks
| Front Ag | 11.00-16, 10.00-16 |
|---|---|
| Rear Ag | 18.4-38, 20.8-38, 23.1-34, 24.5-32, 30.5-32, 15.5-38, 16.9-38 |
Fuel
| Capacity | 51 gal (193 L) |
|---|
Steering
| Type | hydrostatic power |
|---|
Cab
| Cab | Acousta cab standard with heater, air-conditioning optional. Optional radio and 8-track tape player. Four-post ROPS canopy optional. |
|---|
Compatible Implements
| Model | Type | Width | Min HP |
|---|---|---|---|
| Bush Hog BH410 variant 2 | Rotary Cutters | 84" | 70 hp |
| Land Pride RCF3684 - 3PT | Rotary Cutters | 84" | 70 hp |
| Land Pride DBM2660 | Rotary Cutters | 60" | 75 hp |
| Land Pride RCP2760 | Rotary Cutters | 60" | 75 hp |
| Land Pride DB2660 | Rotary Cutters | 60" | 75 hp |
| Land Pride RCPM2760 | Rotary Cutters | 60" | 75 hp |
| Land Pride RCP3760 | Rotary Cutters | 60" | 95 hp |
| Land Pride RCPM3760 | Rotary Cutters | 60" | 95 hp |
Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.
These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.
Nebraska Tests
NTTLTest #1166
October 29 to November 7, 1974 ALLIS-CHALMERS CORPOR- ATION, MILWAUKEE, WISCONSIN POWER TAKE-OFF PERFORMANCE Cetane No 51.9 (rating taken from oil company's Fuel Consumption Temperature Degrees F Crank- typical inspection data) Specific gravity shaft Lb Gal Hp-hr Air Air Baromete Weight per gallon Hp inches of speed Cooling dry per per per bulb Mercury medium hp-hr bulb rpm Oil Allis-Chalmers Power Lube 7009 hr gal API service classification SE-CD MAXIMUM POWER AND FUEL CONSUMPTION motor 3.846 gal Drained from motor 3.177 gal Transmission and final drive lubricant Allis- Rated Engine Speed-Two Hours (PTO Speed-1021 rpm) Chalmers Power Fluid 821 136.49 28.700 Standard Power Take-off Speed (1000 rpm)-One Hour Make Allis-Chalmers Diesel 28.680 186 75 8.879 0.450 63 136.26 15.35 2252 Serial No 3D- 6 cylinder with turbo-charger VARYING POWER AND FUEL CONSUMPTION-Two Hours Crankshaft Mounted Bore and stroke 4.25" x 5.0" 120.78 0.475 63 14.54 8.308 75 183 2396 pression ratio 16 to 1 Displacement 426 cu in 2555 0.00 61 3.178 173 73 12 volt electric (four 12 volt 5.756 10.89 62.71 0.634 2483 178 75 63 8.981 0.455 64 187 77 2300 15.20 136.50 stage dry type with replaceable pleatec 65 paper primary 75 4.467 7.09 175 0.975 and safety element and pre- 31.65 2518 0.524 76 181 92.48 2444 7.006 66 13.20 Oil cooler engine coolant heat ex- 75 Av 74.02 179 28.647 11.78 63 0.587 6.283 2449 changer for crankcase oil and radiator for trans- mission and hydraulic fluid DRAWBAR PERFORMANCE placeable cartridge Temp Degrees F Fuel Consumption medium temperature control 2 thermostats. Speed Crank- Draw- Slip of Gal Hp-hr Air Air Lb Barometer Cool- bar shaft miles Serial No 7040- Type standard inches of ing dry pull Hp speed wet per per Tread width rear 64" to 99" front 64" Mercury hp-hr Ibs hr % bulb med gal hr bulb rpm VARYING DRAWBAR POWER AND FUEL CONSUMPTION WITH BALLAST (without operator or ballast. tread, with fuel tank filled and tractor serviced Maximum Available Power-Two Hours-8th Gear (4SL) 29.125 8981 2298 0.534 6.75 4.77 114.23 from center-line of rear wheels 33.3" 75% of Pull at Maximum Power-Ten Hours-8th Gear (4SL) distance above roadway 37.0" 7.799 29.022 11.86 177 0.583 5.12 5.12 92.48 6772 2424 36 42 tance from center of rear wheel tread 0" to the Hydraulic control system direct en- 50% of Pull at Maximum Power-Two Hours-8th Gear (4SL) Transmission selective gear 29.230 2471 6.529 4.23 9.80 177 5.32 0.705 4510 50% of Pull at Reduced Engine Speed-Two Hours-12th Gear (2FL) Advertised speeds mph first 1.6 second 2.0 third 3.3 fourth 3.7 fifth 4.1 sixth 4.5 12.95 seventh 4.5 eighth MAXIMUM POWER WITH BALLAST eleventh 6.8 twelfth 7.3 thirteenth 8.4 fourteentl 105.25 13619 2.90 48 28.800 54 3rd Gear (2SL) 9.1 fifteenth 10.1, sixteenth 11.3 seventeenth 12.5 54 29.160 115.65 45 3.73 5th Gear (2SH) 15.2 twentieth 11613 eighteenth 13.9 Clutch multiple reverse 3.1, 3.8, 6.8 and 8.4 9199 29.180 117.12 4.77 8th Gear (4SL) 55 45 wet disc operated by foot pedal 29.180 51 115.57 9th Gear (3SH) 8131 5.33 43 multiple disc operated hydraulically by two foot 54 11th Gear (5SL) 6619 44 116.21 6.58 29.180 pedals that can be locked together 29.180 53 13th Gear (5SH) 39 5045 3.44 110.78 2300 8.23 Turning radius (on concrete surface with brake applied) right 150" left PULL VARVING AND TRAVEL SPEED WITH BALLAST- DRAWBAR concrete surface without brake) right 170" left 8th Gear (4SL) 11236 9199 Pounds Pull 11164 11660 10409 11623 surface with brake applied) right 318" left 318' Horsepower 117.43 111.36 (on concrete surface Without brake) right 358" 117.12 100.63 86.64 69.74 Power take-off 1000 rpm at 2252 en- Crankshaft Speed rpm 1151 2077 1841 1609 1382 2300 gine rpm and 1021 at 2300 engine rpm 3.74 4.77 Miles Per Hour 2.33 3.25 4.23 2.79 REPAIRS AND ADJUSTMENT: No repairs Slip of Drivers % 7.80 9.40 9.40 9.12 6.75 8.68 or adjustments. TRACTOR SOUND LEVEL db (with cab) (A) REMARKS: All test results were determined Maximum Available Power 2 Hours 78.0 from observed data obtained in accordance with 75% of Pull at Max. Power 10 Hours 78.5 SAE and ASAE test code or official Nebraska test procedure. 50% of Pull at Max. Power 2 Hours 79.0 First and second gears were not run as it was 76.0 50% of Pull at Reduced Engine Speed 2 Hours necessary to limit the pull in third gear because Bystander 20th Gear (5FH) 89.0 of the tire tangential pull limitation. Fourth, sixth. seventh, tenth, twelfth, four- Without Ballast With Ballast TIRES, BALLAST AND WEIGHT fifteenth, sixteenth, seventeenth eigh- teenth, Rear Tires Two 20.8-38;10;22 Two 20.8-38;10;22 -No., size, ply & psi teenth, nineteenth, and twentieth gears were not 1523 lb each Ballast —Liquid None run as test procedure requires only six gears. None Cast Iron 1245 lb each We, the undersigned, certify that this is a true Two 11.00-16;8;36 -No., size, ply & psi Front tires Two 11.00-16;8;36 and correct report of official Tractor Test 1166. Ballast None -Liquid L. F. LARSEN Cast Iron 25 lb each None Engineer-in-Charge 21½ inches Height of drawbar 22 inches G. W. STEINBRUEGGE, Chairman 8095 1b Static weight with operator-rear W. E. SPLINTER 13630 ilb 3750 1b D. E. LANE 3700 1b front 17380 1b 11795 1b total Board of Tractor Test Engineers The University of Nebraska Agricultural Experiment Station Institute of Agriculture and Natural Resources. H. W. Ottoson, Director EXPLANATION OF TEST REPORT possible and still have the tractor maintain the travel GENERAL CONDITIONS speed at maximum horsepower on the straight sections Each tractor is a production model equipped for com- of the test course; (2) 75% of the pull at maximum mon usage. Power consuming accessories can be discon- power; (3) 50% of the pull at maximum power; and nected only when it is convenient for the operator to do (4) maintaining the same load and travel speed so in practice. Additional weight can be added as ballast (3) by shifting to a higher gear and reducing the engine il the manufacturer regularly supplies it for sale. The грт. static tire loads and the inflation pressures must conform Maximum Power with Ballast. Maximum power is to recommendations in the Tire Standards published by measured on straight level sections of the test course. the Society of Automotive Engineers. Data are shown for not more than 6 different gears or travel speeds. Some gears or travel speeds may be omitted PREPARATION FOR PERFORMANCE RUNS because of high slippage of the traction members or The engine crankcase is drained and refilled with a because the travel speed may exceed the safe limit for measured amount of new oil conforming to specifications the test course. The manufacturer's representative has in the operators manual. The fuel used and the mainte- the option of selecting one gear or speed over eight nance operations must also conform to the published miles per hour. The maximum safe speed for the Ne- braska Test Course has been set at 15 miles per hour. intormation delivered with the tractor. The tractor is then limbered-up for 12 hours on drawbar work in ac- The slippage limits have been set at 15% and 7% for cordance with the manufacturer's published recommend- pneumatic tires and steel tracks or lugs, respectively. ations. The manufacturer's representative is present to Higher slippage gives widely varying results. make appropriate decisions regarding mechanical adjust- Varying Drawbar Pull and Travel Speed with Ballast. Travel speeds corresponding to drawbar pulls beyond The tractor is equipped with approximately the the maximum power range are obtained to show amount of added ballast that is used during maximum the "lugging ability of the tractor. The run starts with the drawbar tests. Prior to the maximum power run the tire pull at maximum power; then additional drawbar pull tread-bar height must be at least 65% of new tread is applied to cause decreasing speeds. The run is ended height. by one of three conditions: (I) maximum pull is ob- tained, (2) the maximum slippage limit is reached, or POWER TAKE-OFF PERFORMANCE (3) some other operating limit is reached. Maximum Power and Fuel Consumption. The manu- facturer's representative makes carburetor, fuel SOUND MEASUREMENT ignition and governor control settings which remain un- Sound is recorded during each of the Varying Power changed throughout all subsequent runs. The governor and the manually operated governor control lever is set and Fuel Consumption runs as the tractor travels on a straight section of the test course. The dB(A) sound level to provide the high-idle speed specified by the manufac- is obtained with the microphone located near the right turer for maximum power. Maximum power is measured ear of the operator. Bystander sound readings are taken by connecting the power take-off to a dynamometer. The with the microphone placed 25 feet from the line of dynamometer load is then gradually increased until the travel of the tractor. engine is operating at the rated speed specified by the An increase of 10 dB(A) will approximately double manulacturer for maximum power. The corresponding the loudness to the human ear. fuel consumption is measured. For additional information about the Nebraska Trac- Varying Power and Fuel Consumption. Six different tor Tests write to the Department of Agricultural Engi- neering, University of Nebraska, Lincoln, Nebraska horsepower levels are used to show corresponding fuel consumption rates and how the governor causes the en- 68503. rine to react to the following changes in dvnamometer oad: 85% of the dynamometer torque at maximum power; minimum dynamometer torque, ½ of the 85% torque; maximum power, ¼ and ¾ of the 85% torque. Since a tractor is generally subjected to varying loads the average of the results in this test serve well for predicting the fuel consumption of a tractor in general usage. DRAWBAR PERFORMANCE All engine adjustments are the same as those used in the belt or power take-off tests. Varying Power and Fuel Consumption With Ballast. The varying power runs are made to show the effects of speed-control devices (engine, governor, automatic trans- mission, etc.) on horsepower, speed and fuel consump- tion. These runs are made around the entire test course which has two 180 degree turns with a minimum radius of 50 feet. The drawbar pull is set at 4 different runs as follows: (1) as near to the pull at maximum power as ALLIS-CHALMERS 7040 DIESELNebraska Tractor Test
PTO Power
136.49HP
Sound
89dB(A)
NTTLTest #1166
October 29 to November 7, 1974 ALLIS-CHALMERS CORPOR- ATION, MILWAUKEE, WISCONSIN POWER TAKE-OFF PERFORMANCE Cetane No 51.9 (rating taken from oil company's Fuel Consumption Temperature Degrees F Crank- typical inspection data) Specific gravity shaft Lb Gal Hp-hr Air Air Baromete Weight per gallon Hp inches of speed Cooling dry per per per bulb Mercury medium hp-hr bulb rpm Oil Allis-Chalmers Power Lube 7009 hr gal API service classification SE-CD MAXIMUM POWER AND FUEL CONSUMPTION motor 3.846 gal Drained from motor 3.177 gal Transmission and final drive lubricant Allis- Rated Engine Speed-Two Hours (PTO Speed-1021 rpm) Chalmers Power Fluid 821 136.49 28.700 Standard Power Take-off Speed (1000 rpm)-One Hour Make Allis-Chalmers Diesel 28.680 186 75 8.879 0.450 63 136.26 15.35 2252 Serial No 3D- 6 cylinder with turbo-charger VARYING POWER AND FUEL CONSUMPTION-Two Hours Crankshaft Mounted Bore and stroke 4.25" x 5.0" 120.78 0.475 63 14.54 8.308 75 183 2396 pression ratio 16 to 1 Displacement 426 cu in 2555 0.00 61 3.178 173 73 12 volt electric (four 12 volt 5.756 10.89 62.71 0.634 2483 178 75 63 8.981 0.455 64 187 77 2300 15.20 136.50 stage dry type with replaceable pleatec 65 paper primary 75 4.467 7.09 175 0.975 and safety element and pre- 31.65 2518 0.524 76 181 92.48 2444 7.006 66 13.20 Oil cooler engine coolant heat ex- 75 Av 74.02 179 28.647 11.78 63 0.587 6.283 2449 changer for crankcase oil and radiator for trans- mission and hydraulic fluid DRAWBAR PERFORMANCE placeable cartridge Temp Degrees F Fuel Consumption medium temperature control 2 thermostats. Speed Crank- Draw- Slip of Gal Hp-hr Air Air Lb Barometer Cool- bar shaft miles Serial No 7040- Type standard inches of ing dry pull Hp speed wet per per Tread width rear 64" to 99" front 64" Mercury hp-hr Ibs hr % bulb med gal hr bulb rpm VARYING DRAWBAR POWER AND FUEL CONSUMPTION WITH BALLAST (without operator or ballast. tread, with fuel tank filled and tractor serviced Maximum Available Power-Two Hours-8th Gear (4SL) 29.125 8981 2298 0.534 6.75 4.77 114.23 from center-line of rear wheels 33.3" 75% of Pull at Maximum Power-Ten Hours-8th Gear (4SL) distance above roadway 37.0" 7.799 29.022 11.86 177 0.583 5.12 5.12 92.48 6772 2424 36 42 tance from center of rear wheel tread 0" to the Hydraulic control system direct en- 50% of Pull at Maximum Power-Two Hours-8th Gear (4SL) Transmission selective gear 29.230 2471 6.529 4.23 9.80 177 5.32 0.705 4510 50% of Pull at Reduced Engine Speed-Two Hours-12th Gear (2FL) Advertised speeds mph first 1.6 second 2.0 third 3.3 fourth 3.7 fifth 4.1 sixth 4.5 12.95 seventh 4.5 eighth MAXIMUM POWER WITH BALLAST eleventh 6.8 twelfth 7.3 thirteenth 8.4 fourteentl 105.25 13619 2.90 48 28.800 54 3rd Gear (2SL) 9.1 fifteenth 10.1, sixteenth 11.3 seventeenth 12.5 54 29.160 115.65 45 3.73 5th Gear (2SH) 15.2 twentieth 11613 eighteenth 13.9 Clutch multiple reverse 3.1, 3.8, 6.8 and 8.4 9199 29.180 117.12 4.77 8th Gear (4SL) 55 45 wet disc operated by foot pedal 29.180 51 115.57 9th Gear (3SH) 8131 5.33 43 multiple disc operated hydraulically by two foot 54 11th Gear (5SL) 6619 44 116.21 6.58 29.180 pedals that can be locked together 29.180 53 13th Gear (5SH) 39 5045 3.44 110.78 2300 8.23 Turning radius (on concrete surface with brake applied) right 150" left PULL VARVING AND TRAVEL SPEED WITH BALLAST- DRAWBAR concrete surface without brake) right 170" left 8th Gear (4SL) 11236 9199 Pounds Pull 11164 11660 10409 11623 surface with brake applied) right 318" left 318' Horsepower 117.43 111.36 (on concrete surface Without brake) right 358" 117.12 100.63 86.64 69.74 Power take-off 1000 rpm at 2252 en- Crankshaft Speed rpm 1151 2077 1841 1609 1382 2300 gine rpm and 1021 at 2300 engine rpm 3.74 4.77 Miles Per Hour 2.33 3.25 4.23 2.79 REPAIRS AND ADJUSTMENT: No repairs Slip of Drivers % 7.80 9.40 9.40 9.12 6.75 8.68 or adjustments. TRACTOR SOUND LEVEL db (with cab) (A) REMARKS: All test results were determined Maximum Available Power 2 Hours 78.0 from observed data obtained in accordance with 75% of Pull at Max. Power 10 Hours 78.5 SAE and ASAE test code or official Nebraska test procedure. 50% of Pull at Max. Power 2 Hours 79.0 First and second gears were not run as it was 76.0 50% of Pull at Reduced Engine Speed 2 Hours necessary to limit the pull in third gear because Bystander 20th Gear (5FH) 89.0 of the tire tangential pull limitation. Fourth, sixth. seventh, tenth, twelfth, four- Without Ballast With Ballast TIRES, BALLAST AND WEIGHT fifteenth, sixteenth, seventeenth eigh- teenth, Rear Tires Two 20.8-38;10;22 Two 20.8-38;10;22 -No., size, ply & psi teenth, nineteenth, and twentieth gears were not 1523 lb each Ballast —Liquid None run as test procedure requires only six gears. None Cast Iron 1245 lb each We, the undersigned, certify that this is a true Two 11.00-16;8;36 -No., size, ply & psi Front tires Two 11.00-16;8;36 and correct report of official Tractor Test 1166. Ballast None -Liquid L. F. LARSEN Cast Iron 25 lb each None Engineer-in-Charge 21½ inches Height of drawbar 22 inches G. W. STEINBRUEGGE, Chairman 8095 1b Static weight with operator-rear W. E. SPLINTER 13630 ilb 3750 1b D. E. LANE 3700 1b front 17380 1b 11795 1b total Board of Tractor Test Engineers The University of Nebraska Agricultural Experiment Station Institute of Agriculture and Natural Resources. H. W. Ottoson, Director EXPLANATION OF TEST REPORT possible and still have the tractor maintain the travel GENERAL CONDITIONS speed at maximum horsepower on the straight sections Each tractor is a production model equipped for com- of the test course; (2) 75% of the pull at maximum mon usage. Power consuming accessories can be discon- power; (3) 50% of the pull at maximum power; and nected only when it is convenient for the operator to do (4) maintaining the same load and travel speed so in practice. Additional weight can be added as ballast (3) by shifting to a higher gear and reducing the engine il the manufacturer regularly supplies it for sale. The грт. static tire loads and the inflation pressures must conform Maximum Power with Ballast. Maximum power is to recommendations in the Tire Standards published by measured on straight level sections of the test course. the Society of Automotive Engineers. Data are shown for not more than 6 different gears or travel speeds. Some gears or travel speeds may be omitted PREPARATION FOR PERFORMANCE RUNS because of high slippage of the traction members or The engine crankcase is drained and refilled with a because the travel speed may exceed the safe limit for measured amount of new oil conforming to specifications the test course. The manufacturer's representative has in the operators manual. The fuel used and the mainte- the option of selecting one gear or speed over eight nance operations must also conform to the published miles per hour. The maximum safe speed for the Ne- braska Test Course has been set at 15 miles per hour. intormation delivered with the tractor. The tractor is then limbered-up for 12 hours on drawbar work in ac- The slippage limits have been set at 15% and 7% for cordance with the manufacturer's published recommend- pneumatic tires and steel tracks or lugs, respectively. ations. The manufacturer's representative is present to Higher slippage gives widely varying results. make appropriate decisions regarding mechanical adjust- Varying Drawbar Pull and Travel Speed with Ballast. Travel speeds corresponding to drawbar pulls beyond The tractor is equipped with approximately the the maximum power range are obtained to show amount of added ballast that is used during maximum the "lugging ability of the tractor. The run starts with the drawbar tests. Prior to the maximum power run the tire pull at maximum power; then additional drawbar pull tread-bar height must be at least 65% of new tread is applied to cause decreasing speeds. The run is ended height. by one of three conditions: (I) maximum pull is ob- tained, (2) the maximum slippage limit is reached, or POWER TAKE-OFF PERFORMANCE (3) some other operating limit is reached. Maximum Power and Fuel Consumption. The manu- facturer's representative makes carburetor, fuel SOUND MEASUREMENT ignition and governor control settings which remain un- Sound is recorded during each of the Varying Power changed throughout all subsequent runs. The governor and the manually operated governor control lever is set and Fuel Consumption runs as the tractor travels on a straight section of the test course. The dB(A) sound level to provide the high-idle speed specified by the manufac- is obtained with the microphone located near the right turer for maximum power. Maximum power is measured ear of the operator. Bystander sound readings are taken by connecting the power take-off to a dynamometer. The with the microphone placed 25 feet from the line of dynamometer load is then gradually increased until the travel of the tractor. engine is operating at the rated speed specified by the An increase of 10 dB(A) will approximately double manulacturer for maximum power. The corresponding the loudness to the human ear. fuel consumption is measured. For additional information about the Nebraska Trac- Varying Power and Fuel Consumption. Six different tor Tests write to the Department of Agricultural Engi- neering, University of Nebraska, Lincoln, Nebraska horsepower levels are used to show corresponding fuel consumption rates and how the governor causes the en- 68503. rine to react to the following changes in dvnamometer oad: 85% of the dynamometer torque at maximum power; minimum dynamometer torque, ½ of the 85% torque; maximum power, ¼ and ¾ of the 85% torque. Since a tractor is generally subjected to varying loads the average of the results in this test serve well for predicting the fuel consumption of a tractor in general usage. DRAWBAR PERFORMANCE All engine adjustments are the same as those used in the belt or power take-off tests. Varying Power and Fuel Consumption With Ballast. The varying power runs are made to show the effects of speed-control devices (engine, governor, automatic trans- mission, etc.) on horsepower, speed and fuel consump- tion. These runs are made around the entire test course which has two 180 degree turns with a minimum radius of 50 feet. The drawbar pull is set at 4 different runs as follows: (1) as near to the pull at maximum power as ALLIS-CHALMERS 7040 DIESELNebraska Tractor Test
PTO Power
136.49HP
Sound
89dB(A)