Tractor · 1963Unverified
Allis Chalmers D21 Series II
Allis Chalmers D21 Series II — Model year 1963-19651965-1969 · 128 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
128 hp
Max power
86.8 kW
Weight
4309 kg
Hover a source tag to verify
Overview
ManufacturerAllis ChalmersReference
Row-Crop tractorReference
Built in West Allis, Wisconsin, USAReference
Total built2,409Reference
Original price was $10,500 in 1969Reference
The upgraded D21 II began at serial number 2201 in 1965.Reference
Two-wheel driveReference
Power steeringReference
Band actuated disc brakesReference
Open operator station.Reference
Engine
Allis Chalmers 7.0L 6-cyl dieselReference
Fuel tank196.8 LReference
Plows7Reference
Drawbar (tested)86.8 kWReference
Allis Chalmers 3500Reference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.0 LReference
Bore/Stroke108 x 127 mmReference
Compression16.0:1Reference
Rated RPM2200Reference
Firing order1-5-3-6-2-4Reference
Oil capacity14.2 LReference
Coolant capacity29.3 LReference
Intake valve clearance0.381 mmReference
Exhaust valve clearance0.381 mmReference
Power at rated engine speed95.3 kWReference
Max power86.8 kWReference
Transmission
8-speed sliding gearReference
TransmissionPower DirectorReference
Typesliding gearReference
Gears8 forward and 2 reverseReference
Clutchdry discReference
Oil capacity64.4 LReference
Oil capacity87.1 LReference
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.Reference
PTO & Hydraulics
PTO (claimed)90.2 kWReference
PTO (tested)95.3 kWReference
Rear TypeIII/IIReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Dimensions
Wheelbase244 cmReference
Weight4309 kgReference
Front tire7.50x20Reference
Rear tire18.4x34Reference
Ag front7.50x20Reference
Ag rear18.4x34Reference
Ag front11.00x16Reference
Ag rear24.5x32Reference
Length407 cmReference
Width232 cmReference
Shipping weight4309 kgReference
Ballasted weight5307 kgReference
Clearance (front axle)54 cmReference
Clearance (rear axle)67 cmReference
Rear axle82 mmReference
Steering wheel229 cmReference
D21 Serial Number Location
Serial number on the left side of the Allis-Chalmers D21, stamped into the flange near the starter mounting.Reference
D21 Serial Numbers
1963100 (Series I)Reference
19641417 (Series I)Reference
19652079 (Series I)Reference
Final2129 (Series I)Reference
19652130 (Series II)Reference
19662408 (Series II)Reference
19672863 (Series II)Reference
19683777 (Series II)Reference
19694498 (Series II)Reference
Final4609 (Series II)Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemDelco-Remy generatorReference
Charging amps32Reference
Batteries2Reference
Batteries4Reference
Battery volts12Reference
Battery AH95Reference
Allis Chalmers D21 Height
Hood182 cmReference
Exhaust270 cmReference
Test results
Turbo diesel 8-speed 2WDJune 22 - 28, 1965Link: Nebraska Tractor Test 904 fileReference
PTO performanceReference
Fuel use29.1 l/hourReference
Drawbar performanceReference
Fuel use29.9 l/hourReference
Gear 4 used for power test.Reference
Max pull6922 kgReference
Gear 2 used for pull test.Reference
Speeds
With 18.4x34 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.