Tractor · 1959Unverified
Allis Chalmers D12 High Clearance
Allis Chalmers D12 High Clearance — High-Clearance tractor · 30 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
30 hp
Weight
1397 kg
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Overview
ManufacturerAllis ChalmersReference
High-Clearance tractorReference
Two-wheel driveReference
SteeringmanualReference
Differential mechanical shoe brakesReference
Open operator stationReference
Variants
D12utility tractorReference
Engine
Allis-Chalmers 2.3L 4-cyl gasolineReference
Allis-Chalmers 2.4L 4-cyl gasolineReference
Drawbar (claimed)19.2 kWReference
Allis-Chalmers Power-CraterReference
gasolineReference
4-cylinderReference
liquid-cooledReference
The 138 cubic inch engine was used until 1961.Reference
Displacement2.3 LReference
Bore/Stroke86 x 98 mmReference
Rated RPM1650Reference
StarterelectricReference
Starter volts6Reference
Oil capacity3.8 LReference
Coolant capacity7.6 LReference
Allis-ChalmersReference
The larger, 149 cubic inch, engine was introduced in 1961.Reference
Displacement2.4 LReference
Bore/Stroke89 x 98 mmReference
Air cleaneroil bathReference
Compression7.5:1Reference
Firing order1-2-4-3Reference
Transmission
4-speedReference
Gears4 forward and 1 reverseReference
Oil capacity6.2 LReference
Oil capacity8.3 LReference
PTO & Hydraulics
PTO (claimed)22.4 kWReference
Hydraulic system2.8 LReference
TypeliveReference
Capacity2.8 LReference
Rear valves1 or 2Reference
Rear TypeIReference
TypeSnap-CoupleReference
Rear PTO Type540Reference
Dimensions
Wheelbase200 cmReference
Weight1397 kgReference
Rear tire9x36Reference
Ag rear9x36Reference
Ag rear11.2x36Reference
Length310 cmReference
Height (hood)144 cmReference
Height (exhaust)205 cmReference
Shipping weight1397 kgReference
Clearance (front axle)62 cmReference
Clearance (rear axle)69 cmReference
Front tread152 to 220 cmReference
Rear tread130 to 201 cmReference
Capacities
RPM1220Reference
Speed779.07 meters/minReference
Speeds
D-10 High Clearance speeds with 9x36 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.