Allis Chalmers

Allis Chalmers 7020

The Allis Chalmers 7020 is a row-crop tractor produced from 1978 to 1981 as part of the 7000 Series. It features a 146 hp intercooled turbocharged 6-cylinder diesel engine with 4.9 L displacement. The tractor offers multiple partial power shift transmission options including 12, 16, and 20-speed variants. It has a wheelbase of 106 inches and weighs between 10,820 and 11,700 pounds depending on configuration. The 7020 includes hydrostatic power steering, differential power wet disc brakes, and an Acousta cab with optional air conditioning and entertainment. Hydraulics are closed center with 2 or 3 valves and a total flow of 45 gpm. The rear hitch has a lift capacity of 6,680 lbs at 24 inches. The PTO is independent with 540/1000 rpm options. Attachments include a front-end loader with 2,900 lbs lift capacity and 44° dump angle. The tractor was built in West Allis, Wisconsin, USA and originally priced at $39,378.

Power146 hp

Founded1978 - 1981

Model7020

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 7020

Power

Engine power	146 hp (108.9 kW)
PTO (tested)	123.85 hp (92.4 kW)
PTO (claimed)	123 hp (91.7 kW)
Drawbar (tested)	102.09 hp (76.1 kW)
Drawbar (claimed)	106 hp (79.0 kW)

Engine

Type	intercooled turbocharged diesel
Model	Allis Chalmers 649I
Power	146 hp (108.9 kW)
Cooling	liquid-cooled Inline
Cylinders	6-cylinder
Fuel tank	51 gal (193.0 L)
Rated RPM	2300
Air cleaner	dry with pre-cleaner
Bore/Stroke	3.875x4.25 inches (98 x 108 mm)
Compression	16.25:1
Displacement	301 ci (4.9 L)
Firing order	1-5-3-6-2-4
Oil capacity	20 qts (18.9 L)
Starter volts	12
Coolant capacity	26 qts (24.6 L)
Optional auxiliary tank	13 gal (49.2 L)

Dimensions

Width	92.6 inches (235 cm)
Length	163 inches (414 cm)
Rear tire	18.4x38
Wheelbase	106 inches (269 cm)
Front tire	11.00x16
Height hood	68 inches (172 cm)
Height exhaust	116 inches (294 cm)
Weight shipping	10,820 lbs (4907 kg)
Additional tires	10.00x16,14Lx16,24.5x32,30.5x32,20.8x34,15.5x38,16.9x38,18.4x38,20.8x38
Weight ballasted	15,610 lbs (7080 kg)
Weight operating	11,700 lbs (5307 kg)
Clearance (rear axle)	28 inches (71 cm)
Height steering wheel	87 inches (220 cm)
Clearance (front axle)	21 inches (53 cm)
Optional long axle width	118.7 inches (301 cm)
Rear axle diameter options	3.625 inch (92 mm), 3.75 inch (95 mm)

Hydraulics

Type	closed center
Valves	2 or 3
Pump flow	22 gpm (83.3 lpm)
Total flow	45 gpm (170.3 lpm)
Steering flow	9.5 gpm (36.0 lpm)

Mechanical

Cab	Acousta cab standard with heat. Air-conditioning optional. Radio and eight-track player optional.
Drive	Two-wheel drive
Brakes	Differential power wet disc brakes
Steering	hydrostatic power
Final drives	inboard planetary

Production

Type	Row-Crop tractor
Series	7000 Series
Built in	West Allis, Wisconsin, USA
Original price	$39,378
Years produced	1978 - 1981

Attachments

Dump angle	44°
Bucket width	83 inches (210 cm)
Lift capacity	2900 lbs lift (full at pin) (1315 kg)
Breakout force	3700 lbs breakout (1678 kg)
Reach (dumped)	51 inches (129 cm)
Front-end loader	470 Loader
Clearance (level)	156 inches (396 cm)
Clearance (dumped)	135 inches (342 cm)
Rollback (ground line)	11°

Transmission

Type	partial power shift
Options	16-speed partial power shift,20-speed partial power shift,12-speed partial power shift
12-speed	12 forward and 2 reverse. Six gears in two ranges. Power shift between gears in range.
16-speed	16 forward and 4 reverse. Four gears in two ranges (slow/fast) with two-range power shift. Power shift controlled by foot buttons.
20-speed	20 forward and 4 reverse. Five gears in two ranges (slow/fast) with two-range power shift. Power shift controlled by foot buttons.
Oil capacity	29.6 qts (28.0 L)
Transmission	Power Director