Allis Chalmers 8070

The Allis Chalmers 8070 is a tractor produced by Allis Chalmers. It is equipped with a 426 ci 7.0 L engine. The listed engine power is 170.72 hp 127.3 kW. Transmission: Power Shift. Operating weight: 16850 to 17300 pounds.

Engine Power

170.72 hp 127.3 kW

Fuel & Capacities

60 gal 227.1 L

Transmission

Power Shift

Operating Weight

16850 to 17300 pounds

Overview

	1982 - 1985 Row-Crop tractor

Production
Manufacturer	Allis Chalmers
Row-Crop tractor
Built in West Allis, Wisconsin, USA
Total built	2,354
Original price	$60,337

Allis Chalmers 8070 Engine
Allis Chalmers 7.0L 6-cyl diesel
Engine details ...

Allis Chalmers 8070 Power
Drawbar (tested)	145.36 hp 108.4 kW
PTO (tested)	170.72 hp 127.3 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Differential lock	electro-hydraulic rear
Steering	hydrostatic power
Differential hydraulic wet discs brakes
Acousta cab standard with heat and air-conditioning. Optional radio and cassette tape player.

Capacity
Fuel	60 gal 227.1 L
	25 gal (optional tank) 94.6 L
Rear diff.	68.4 qts 64.7 L

Hydraulics
Type	closed-center load-sensitive
Valves	2 or 3
Pump flow	22 gpm 83.3 lpm
	13.5 gpm (transmission) 51.1 lpm
Total flow	45 gpm 170.3 lpm
Steering flow	9.5 gpm 36.0 lpm

Tractor hitch
Rear Type	III/II
Rear lift (at 24"/610mm)	8,200 lbs 3719 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	106 inches 269 cm
Weight	16850 to 17300 pounds
Front tire	10.00-16
Rear tire	18.4-38
Full dimensions and tires ...

Electrical
Charging system	alternator
Charging amps	100
Battery volts	12

References

8070 - 8050 - 8030 - 8010 published in 1983, by Allis Chalmers
Agri-Data System published in 1982, by Allis Chalmers

Engine

Engine Detail — 426 ci / 7.0 L Diesel

Manufacturer	Allis Chalmers 670I
Configuration	turbocharged intercooled diesel, 6-cylinder, liquid-cooled inline
Displacement	426 ci 7.0 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Air cleaner	dry
Compression	15.5:1
Rated RPM	2400
Starter volts	12
Oil capacity	19 qts 18.0 L
	21 qts (3 filter) 19.9 L
Coolant capacity	36 qts 34.1 L

Transmission

Transmission options
20-speed partial power shift
12-speed Allis-Chalmers

Transmission — Allis-Chalmers Power Director

Transmission	Allis-Chalmers Power Director
Type	partial power shift
Gears	20 forward and 4 reverse
Oil capacity	29.6 qts 28.0 L
Five gears (1-5) in two ranges (slow/fast) with a two-speed power shift (low/high) controlled by left-hand lever.
With 18.4x38 rear tires.

Transmission — Power Shift

Transmission	Power Shift
Type	Allis-Chalmers
Gears	12 forward and 2 reverse
Oil capacity	29.6 qts 28.0 L
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.
With 18.4x38 rear tires.

Dimensions

Allis Chalmers 8070 Tires
Ag front	10.00-16 (2WD)
	13.6-28 (4WD)
Ag rear	18.4-38
Ag front	11.00-16 (2WD)
	14L-16 (2WD)
	18.4-16 (2WD)
	14.9-28 (4WD)
	14.9-24 (4WD)
Ag rear	20.8-38
	18.4-42
	16.9-38

Dimensions
Wheelbase	106 inches 269 cm
Length	187 inches 474 cm
Width	95.5 inches 242 cm
	119.5 inches (long axle) 303 cm
Ground clearance	22 inches (front axle) 55 cm
	29 inches (rear axle) 73 cm

Allis Chalmers 8070 Weight
Operating	16,850 lbs (2WD duals) 7643 kg
	17,300 lbs (4WD) 7847 kg
Ballasted	22,370 lbs 10147 kg

Allis Chalmers 8070 Height
Hood	70 inches 177 cm
Cab	116 inches 294 cm
Exhaust	114 inches 289 cm

Tests

Nebraska Tractor Test 1449
Diesel 12-speed 2WD September 1 - 16, 1982 Link: Nebraska Tractor Test 1449 file
PTO performance
Power at rated engine speed	170.72 hp 127.3 kW
Fuel use	10.7 gal/hour 40.5 l/hour
Power at rated PTO speed	171.44 hp 127.8 kW
Fuel use	10.4 gal/hour 39.4 l/hour
Drawbar performance
Max power	145.36 hp 108.4 kW
Gear 2F used for power test.
Max pull	18,777 lbs 8517 kg
Gear 2S used for pull test.

Photos

Allis-Chalmers 8070 marketing photo.

Cut-away view of Allis-Chalmers 8070.

Recommended Implements & Sizing Guide

Engineering recommendations for Allis Chalmers 8070 based on its 170.72 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
Rotary Cutter / MowerMowing & Clearing	15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼	Commercial / Field Scale	Large commercial field and roadside mowing operations.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m)	Commercial / Field Scale	High-capacity commercial forage harvesting (1000 RPM PTO).

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers 8070.

Estimated Continuous Field Runtime: 6.8 hrs

Approximately 6.8 hours of continuous field operation at ~75% rated power on a full tank (60 gal / 227.1 L).

Estimated 75% Load Fuel Burn~8.9 gal/hr (33.6 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours