Allis Chalmers D21 tractor specifications

1963 - 1969

1963 - 1969 Model year 1963-19651965-1969 D SeriesRow-Crop tractor

Production

Production Manufacturer:Allis Chalmers
Type:Row-Crop tractor
Factory:West Allis, Wisconsin, USA
Total built:1,129
Original price:$5,700 (1964 )
The D21 was the first Allis Chalmers tractor to have over 100 horsepower. The upgraded D21 II began at serial number 2201 in 1965.

Allis Chalmers D21 Power

Allis Chalmers D21 Power Drawbar (claimed):93 hp
69.4 kW
PTO (claimed):103 hp
76.8 kW
Plows:7
Drawbar (tested):93.09 hp
69.4 kW
PTO (tested):103.06 hp
76.9 kW
power test details ...

1963 - 1969

Model year 1963-19651965-1969

D Series

Row-Crop tractor

Nebraska Tractor Test 855

Nebraska Tractor Test 855
Diesel 8-speed 2WD October 15, 1963 - October 21, 1953 Link: Nebraska Tractor Test 855 file
PTO performance
Power at rated engine speed:	103.06 hp 76.9 kW
Fuel use:	7.1 gal/hour 26.9 l/hour
Drawbar performance
Max power:	93.09 hp 69.4 kW
Fuel use:	7.1 gal/hour 26.9 l/hour
Gear 4 used for power test.
Max pull:	14840 lbs 6731 kg
Gear 2 used for pull test.

Allis Chalmers D21 Engine

Allis Chalmers D21 Engine Allis Chalmers 7.0L 6-cyl diesel Fuel tank:52 gal
196.8 L
Engine details ...

1963 - 1969

Model year 1963-19651965-1969

D Series

Row-Crop tractor

Engine Detail

Engine Detail
Allis Chalmers 3400
diesel
6-cylinder
liquid-cooled
Displacement:	426 ci 7.0 L
Bore/Stroke:	4.25x5.00 inches 108 x 127 mm
Air cleaner:	dry
Compression:	16.0:1
Rated RPM:	2200
Firing order:	1-5-3-6-2-4
Coolant capacity:	21 qts 19.9 L
Intake valve clearance:	0.015 inches 0.381 mm *Hot
Exhaust valve clearance:	0.015 inches 0.381 mm *Hot

Engine Oil

Engine Oil

Oil capacity:	12 qts 11.4 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:power
Brakes:band actuated disc
Cab:Open operator station.
Transmission:8-speed sliding gear
Transmission details ...

1963 - 1969

Model year 1963-19651965-1969

D Series

Row-Crop tractor

Transmission

Transmission
Transmission:	Power Director
Type:	sliding gear
Gears:	8 forward and 2 reverse
Clutch:	dry disc
Oil capacity:	68 qts 64.4 L *No PTO or hydraulics
	92 qts 87.1 L
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.

Speeds

Speeds
With 18.4x34 rear tires.

Tractor hitch

Tractor hitch Rear Type:III/II

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000

Dimensions & Tires

Dimensions & Tires Wheelbase:96.1 inches
244 cm
Weight:9500 lbs
4309 kg
Front tire:7.50x20
Rear tire:18.4x34
Full dimensions and tires ...

1963 - 1969

Model year 1963-19651965-1969

D Series

Row-Crop tractor

Allis Chalmers D21 Tires

Allis Chalmers D21 Tires
Ag front:	7.50x20
Ag rear:	18.4x34
Ag front:	11.00x16
Ag rear:	24.5x32

Dimensions

Dimensions
Wheelbase:	96.1 inches 244 cm
Length:	160.6 inches 407 cm
Width:	91.6 inches 232 cm
Shipping weight:	9500 lbs 4309 kg
Ballasted weight:	11700 lbs 5307 kg
Clearance (front axle):	21.3 inches 54 cm
Clearance (rear axle):	26.75 inches 67 cm

Allis Chalmers D21 Height

Allis Chalmers D21 Height
Steering wheel:	90.3 inches 229 cm
Hood:	71.75 inches 182 cm
Exhaust:	106.6 inches 270 cm

D21 Serial Numbers

D21 Serial Numbers Location:Serial number on the left side of the Allis-Chalmers D21, stamped into the flange near the starter mounting.
1963:100
1964:1417
1965:2079
1966:2408
1967:2863
1968:3777
1969:4498

how to read serial numbers...