Allis Chalmers

D21

Farm tractor · 1963–1969 · 119 hp

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

EngineAllis Chalmers 3500
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Turbocharger Statusturbocharged diesel
Displacement426 ci (7 L)
Bore4.25 in (108 mm)
Stroke5 in (127 mm)
Compression Ratio16
Power PTO127.75 hp (95.3 kW)
Power Drawbar116.41 hp (86.8 kW)
Oil Capacity15 qts (14.2 L)
Coolant Capacity31 qts (29.3 L)
ManufacturerAllis Chalmers
Rated2,200 RPM
Firing Order1-5-3-6-2-4

Transmission

Transmission Typesliding gear
Gears8 forward and 2 reverse
Transmission DescriptionTransmission 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.
Clutchdry disc
Oil Capacity68 qts (64.4 L)
Available Options8-speed sliding gear

PTO

Rear Type1000

Hitch

Rear TypeIII/II

Dimensions

Length160.6 in (407 cm)
Width91.6 in (232 cm)
Height90.3 in (229 cm)
Wheelbase96.1 in (244 cm)

Weight

Weight9,500 lbs (4,309 kg)
Shipping9,500 lbs (4,309 kg)
Ballasted11,700 lbs (5,307 kg)

Tires & Tracks

Front Ag7.50x20, 11.00x16
Rear Ag18.4x34, 24.5x32

Fuel

Capacity52 gal (196.8 L)

Steering

Typepower

Compatible Implements

ModelTypeWidthMin HP
Land Pride RCFM3696 - 3PTRotary Cutters96"50 hp
Land Pride RCF3696 - 3PTRotary Cutters96"50 hp
Bush Hog BH410 variant 1Rotary Cutters72"60 hp
Land Pride RCF3610 - 3PTRotary Cutters120"60 hp
Land Pride RCFM3610 - 3PTRotary Cutters120"60 hp
Land Pride RCF2784 - 3PTRotary Cutters84"60 hp
BEFCO RHD-484Rotary Cutters84"60 hp
Land Pride RCF3672Rotary Cutters72"60 hp
Land Pride RCF3684 - 3PTRotary Cutters84"70 hp
Bush Hog BH410 variant 2Rotary Cutters84"70 hp
Land Pride RCP2760Rotary Cutters60"75 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride RCPM2760Rotary Cutters60"75 hp
Land Pride DB2660Rotary Cutters60"75 hp
Land Pride RCPM3760Rotary Cutters60"95 hp
Land Pride RCP3760Rotary Cutters60"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.