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Allis Chalmers 7020

Allis Chalmers 7020 tractor
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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.
Allis Chalmers 7020tractorspecificationsenginetransmissiondimensionshydraulicsattachmentsfarm tractor
Power146 hp
Founded1978 - 1981
Model7020

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

Tractor hitch

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

Serial Numbers

1978:1317
1979:2732
1980:3842
1981:4710
Location:Above PTO shield

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540/1000

Related Models

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