Allis Chalmers 8070: all source data

All 84 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerAllis Chalmers
(no label)Row-Crop tractor
(no label)Built in West Allis, Wisconsin, USA
Total built2,354
Original price$60,337
Engine
(no label)Allis Chalmers 7.0L 6-cyl diesel
Transmission
(no label)20-speed partial power shift
(no label)12-speed Allis-Chalmers
Power
Drawbar (tested)145.36 hp | 108.4 kW
PTO (tested)170.72 hp | 127.3 kW
Mechanical
(no label)Two- or four-wheel drive
Differential lockelectro-hydraulic rear
Steeringhydrostatic power
(no label)Differential hydraulic wet discs brakes
(no label)Acousta cab standard with heat and air-conditioning. Optional radio and cassette tape player.
Capacity
Fuel60 gal | 227.1 L
Fuel25 gal (optional tank) | 94.6 L
Rear diff.68.4 qts | 64.7 L
Hydraulics
Typeclosed-center load-sensitive
Valves2 or 3
Pump flow22 gpm | 83.3 lpm
Pump flow13.5 gpm (transmission) | 51.1 lpm
Total flow45 gpm | 170.3 lpm
Steering flow9.5 gpm | 36.0 lpm
Hitch
Rear TypeIII/II
Rear lift (at 24"/610mm)8,200 lbs | 3719 kg
Pto
Rear PTOindependent
Rear PTO Type1000
Dimensions
Wheelbase106 inches | 269 cm
Weight16850 to 17300 pounds
Front tire10.00-16
Rear tire18.4-38
Serial location
(no label)Serial number decal on the left side of the tractor's frame, just ahead of the fuel tank. Serial number also stamped into the casting at the rear of the tractor, above and to the left of the PTO shaft.
Electrical
Charging systemalternator
Charging amps100
Battery volts12

Engine

Engine detail
(no label)Allis Chalmers 670I
(no label)turbocharged intercooled diesel
(no label)6-cylinder
(no label)liquid-cooled inline
Displacement426 ci | 7.0 L
Bore/Stroke4.25x5.00 inches | 108 x 127 mm
Air cleanerdry
Compression15.5:1
Rated RPM2400
Starter volts12
Oil capacity19 qts | 18.0 L
Oil capacity21 qts (3 filter) | 19.9 L
Coolant capacity (Coolant)36 qts | 34.1 L

Transmission

Transmission options
(no label)20-speed partial power shift
(no label)12-speed Allis-Chalmers
Transmission
TransmissionAllis-Chalmers Power Director
Typepartial power shift
Gears20 forward and 4 reverse
Oil capacity29.6 qts | 28.0 L
(no label)Five gears (1-5) in two ranges (slow/fast) with a two-speed power shift (low/high) controlled by left-hand lever.
TransmissionPower Shift
TypeAllis-Chalmers
Gears12 forward and 2 reverse
Oil capacity29.6 qts | 28.0 L
(no label)Six power shift gears (1-6) in two ranges (slow/fast). Clutch must be used to shift range. Pressing the clutch pedal half-way automatically downshifts from 5th/6th to 4th gear.

Dimensions

Tires
2WD Ag front (2WD)10.00-16
4WD Ag front (4WD)13.6-28
Ag rear18.4-38
2WD Ag front (2WD)11.00-16
2WD Ag front (2WD)14L-16
2WD Ag front (2WD)18.4-16
4WD Ag front (4WD)14.9-28
4WD Ag front (4WD)14.9-24
Ag rear20.8-38
Ag rear18.4-42
Ag rear16.9-38
Dimensions
Wheelbase106 inches | 269 cm
Length187 inches | 474 cm
Width95.5 inches | 242 cm
Width119.5 inches (long axle) | 303 cm
Clearance (front axle)22 inches | 55 cm
Clearance (rear axle)29 inches | 73 cm
Weight
Operating16,850 lbs (2WD duals) | 7643 kg
4WD Operating (4WD)17,300 lbs | 7847 kg
Ballasted22,370 lbs | 10147 kg
Height
Hood70 inches | 177 cm
Cab116 inches | 294 cm
Exhaust114 inches | 289 cm