Allis Chalmers 7080

The Allis Chalmers 7080 is a tractor produced by Allis Chalmers. It is equipped with a 426 ci 7.0 L engine. The rated power output is 210 hp 156.6 kW. Transmission: Allis-Chalmers Power Director. Operating weight: 13638 lbs 6186 kg.

Overview

	1975 - 1981 7000 SeriesRow-Crop tractor
1975 - 1981
7000 Series
Row-Crop tractor

Production
Manufacturer	Allis Chalmers
Row-Crop tractor
Built in West Allis, Wisconsin, USA
Original price	$54,561

Allis Chalmers 7080 Engine
Allis Chalmers 7.0L 6-cyl diesel
Fuel tank	64 gal 242.2 L
Engine details ...

Allis Chalmers 7080 Transmission
20-speed partial power shift
Transmission details ...

Allis Chalmers 7080 Power
Engine	210 hp 156.6 kW
Drawbar (claimed)	154 hp 114.8 kW
PTO (claimed)	181.5 hp 135.3 kW
Drawbar (tested)	148.89 hp 111.0 kW
PTO (tested)	181.51 hp 135.4 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	inboard planetary
Power steering
Differential hydraulic wet disc brakes
Acousta cab standard with heat, air-conditioning optional. Radio and 8-track player optional. Four-post ROPS canopy available.

Hydraulics
Type	closed center
Valves	2 or 3
Pump flow	23 gpm 87.1 lpm
Total flow	47 gpm 177.9 lpm
Steering flow	10 gpm 37.9 lpm

Tractor hitch
Rear Type	3/2
Rear lift (at 24"/610mm)	6,680 lbs 3030 kg

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

Dimensions & Tires
Wheelbase	106 inches 269 cm
Weight	13638 lbs 6186 kg
Front tire	14Lx16
Rear tire	20.8x38
Full dimensions and tires ...

References
Loaders - picking up where the others leave off published in 1979, by Allis Chalmers
7040/7060/7080 - The Rising Power in Farming published in 1976, by Allis Chalmers
7080/7060/7045/7020 - All Four, Big Power published in 1978, by Allis Chalmers
7080/7060/7045/7020 - The Power Squadron published in 1980, by Allis Chalmers
7080/7060/7045/7020/7010 - The Power Squadron published in 1981, by Allis Chalmers

Engine

Engine Detail — 426 ci / 7.0 L Diesel

Manufacturer	Allis Chalmers 670HI
Configuration	intercooled turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	426 ci 7.0 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Power	210 hp 156.6 kW
Air cleaner	dry with pre-cleaner
Compression	16:1
Rated RPM	2550
Starter volts	12
Oil capacity	25 qts 23.7 L
Coolant capacity	36 qts 34.1 L

Transmission

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, plus reverse, with two ranges (fast/slow) and two-range power shift (lo/hi). Power shift controlled by foot buttons.
With 20.8x38 rear tires.

Dimensions

Allis Chalmers 7080 Tires
Ag front	14Lx16
Ag rear	20.8x38
Ag front	11.00x16
	18.4x16
Ag rear	23.1x30
	24.5x32
	30.5x32
	15.5x38
	16.9x38
	20.8x38
	18.4x42

Dimensions
Wheelbase	106 inches 269 cm
Length	163 inches 414 cm
Width	95.5 inches 242 cm
	119.5 inches (optional long axle) 303 cm
Weight	13638 lbs 6186 kg
Ground clearance	22 inches (front axle) 55 cm
	29 inches (rear axle) 73 cm
Rear axle	4.00 inch diameter 101 mm

Allis Chalmers 7080 Height
Steering wheel	88 inches 223 cm
Hood	69 inches 175 cm
Exhaust	117 inches 297 cm

Tests

Nebraska Tractor Test 1168
Diesel Power Director 2WD November 1 - 13, 1974 Link: Nebraska Tractor Test 1168 file
PTO performance
Power at rated engine speed	181.51 hp 135.4 kW
Fuel use	11.6 gal/hour 43.9 l/hour
Drawbar performance
Max power	148.89 hp 111.0 kW
Fuel use	11.3 gal/hour 42.8 l/hour
Gear 4-Slow-Lo used for power test.
Max pull	18,478 lbs 8381 kg
Gear 2-Slow-Lo used for pull test.

Photos

Open station (cut-off cab) Allis-Chalmers 7080, left side.

Allis-Chalmers 7080 with cab.

Allis-Chalmers cab interior.

Open station Allis-Chalmers 7080, right side.