Allis Chalmers
D21
Farm tractor · 1963–1969 · 119 hp
Allis ChalmersD21
The Allis Chalmers D21 is a farm tractor manufactured from 1963 to 1969. It features a Allis Chalmers 3500 engine, and power steering. The transmission is a sliding gear type with 8 forward and 2 reverse.
Engine
| Engine | Allis Chalmers 3500 |
|---|---|
| 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 | 127.75 hp (95.3 kW) |
| Power Drawbar | 116.41 hp (86.8 kW) |
| Oil Capacity | 15 qts (14.2 L) |
| Coolant Capacity | 31 qts (29.3 L) |
| Manufacturer | Allis Chalmers |
| Rated | 2,200 RPM |
| Firing Order | 1-5-3-6-2-4 |
Transmission
| Transmission Type | sliding gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Transmission Description | Transmission is controlled by means of a range control knob and a gear shift lever. The range knob is located below the steering wheel, pushing it forward puts the tractor in high range, pull it back engages low range. The gear shift selects one of four forward gears, or reverse. The tractor must be stopped and clutch used to change gears or range. |
| Clutch | dry disc |
| Oil Capacity | 68 qts (64.4 L) |
| Available Options | 8-speed sliding gear |
PTO
| Rear Type | 1000 |
|---|
Hitch
| Rear Type | III/II |
|---|
Dimensions
| Length | 160.6 in (407 cm) |
|---|---|
| Width | 91.6 in (232 cm) |
| Height | 90.3 in (229 cm) |
| Wheelbase | 96.1 in (244 cm) |
Weight
| Weight | 9,500 lbs (4,309 kg) |
|---|---|
| Shipping | 9,500 lbs (4,309 kg) |
| Ballasted | 11,700 lbs (5,307 kg) |
Tires & Tracks
| Front Ag | 7.50x20, 11.00x16 |
|---|---|
| Rear Ag | 18.4x34, 24.5x32 |
Fuel
| Capacity | 52 gal (196.8 L) |
|---|
Steering
| Type | power |
|---|
Compatible Implements
| Model | Type | Width | Min HP |
|---|---|---|---|
| Land Pride RCFM3696 - 3PT | Rotary Cutters | 96" | 50 hp |
| Land Pride RCF3696 - 3PT | Rotary Cutters | 96" | 50 hp |
| Bush Hog BH410 variant 1 | Rotary Cutters | 72" | 60 hp |
| Land Pride RCF3610 - 3PT | Rotary Cutters | 120" | 60 hp |
| Land Pride RCFM3610 - 3PT | Rotary Cutters | 120" | 60 hp |
| Land Pride RCF2784 - 3PT | Rotary Cutters | 84" | 60 hp |
| BEFCO RHD-484 | Rotary Cutters | 84" | 60 hp |
| Land Pride RCF3672 | Rotary Cutters | 72" | 60 hp |
| Land Pride RCF3684 - 3PT | Rotary Cutters | 84" | 70 hp |
| Bush Hog BH410 variant 2 | Rotary Cutters | 84" | 70 hp |
| Land Pride RCP2760 | Rotary Cutters | 60" | 75 hp |
| Land Pride DBM2660 | Rotary Cutters | 60" | 75 hp |
| Land Pride RCPM2760 | Rotary Cutters | 60" | 75 hp |
| Land Pride DB2660 | Rotary Cutters | 60" | 75 hp |
| Land Pride RCPM3760 | Rotary Cutters | 60" | 95 hp |
| Land Pride RCP3760 | 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.