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Allis Chalmers 7020 Technical Specifications

Allis Chalmers 7020 Engine Data

Engine Model .................. Allis Chalmers 649i
Engine Type .................. 4-stroke, 6-cylinder intercooled turbocharged diesel
Number of Cylinders .................. 6
Displacement, cu in (L) .................. 301 (4.90)
Engine Bore, in (mm) .................. 3.88 (98.0)
Engine Stroke, in (mm) .................. 4.25 (108.0)
Aspiration .................. Turbocharged
Rated Engine Power, hp (kW) .................. 146.0 (108.9)
Rated Engine Speed, rpm .................. 2300
Compression .................. 16.25:1
Firing Order .................. 1-5-3-6-2-4
Fuel System .................. Direct injection
Air Cleaner .................. Dry with pre-cleaner
Fuel Tank Capacity, gal (L) .................. 51.0 (193.0)
Oil Capacity, qts (L) .................. 20.0 (18.9)
Coolant Capacity, qts (L) .................. 26.0 (24.6)
Electrical System Rating, Volts .................. 12
Charging System .................. Alternator

Power Take-Off

PTO Operational Type .................. Independent
PTO Horsepower, hp (kW) .................. 123.0 (91.7)
PTO Clutch .................. Wet disc
PTO Speed, rpm .................. 1000
PTO / Engine Speed, rpm .................. 1000/2253

Allis Chalmers 7020 Transmission

Transmission Type .................. Power Director
Gearbox Type .................. 16F/4R, partial powershift
Number of Forward Gears .................. 16
Number of Reverse Gears .................. 4
Clutch Type .................. Wet disc
Oil Capacity, qts (L) .................. 29.6 (28.0)
Maximum Forward Speed, mph (kph) .................. 18.8 (30.2)
Maximum Reverse Speed, mph (kph) .................. 8.4 (13.5)

Transmission Type .................. Power Director
Gearbox Type .................. 20F/4R, partial powershift
Number of Forward Gears .................. 20
Number of Reverse Gears .................. 4
Clutch Type .................. Wet disc
Oil Capacity, qts (L) .................. 29.6 (28.0)
Maximum Forward Speed, mph (kph) .................. 18.8 (30.2)
Maximum Reverse Speed, mph (kph) .................. 8.4 (13.5)

Transmission Type .................. Power Director
Gearbox Type .................. 12F/2R, partial powershift
Number of Forward Gears .................. 12
Number of Reverse Gears .................. 2
Clutch Type .................. Wet disc
Oil Capacity, qts (L) .................. 29.6 (28.0)
Maximum Forward Speed, mph (kph) .................. 16.7 (26.9)
Maximum Reverse Speed, mph (kph) .................. 7.2 (11.6)

AC 7020 Wheels and Tires

Drive Wheels .................. 2WD 4x2
Steering Configuration .................. Front steer
Steering System .................. Hydrostatic power
Brakes Type .................. Differential hydraulic wet disc
Front Tire Size (Std) .................. 11.0x16
Rear Tire Size (Std) .................. 18.4x38
Front Tire Size (Opt) .................. 14Lx16
Rear Tire Size (Opt) .................. 30.5x32
Front Tread Width, in (mm) .................. 62-90 (1575-2285)
Rear Tread Width, in (mm) .................. 64-97 (1620-2465)

Allis Chalmers 7020 Hydraulic System

Hydraulic System Type .................. Closed Center
Implement Pump Flow, gpm (Lpm) .................. 22.0 (83.3)
Steering Pump Flow, gpm (Lpm) .................. 9.5 (36.0)
Hydraulic Fluid Capacity, gal (L) .................. 7.4 (28.0)
Number of Standard Remote Valves .................. 2/3
3-Point Hitch Category .................. 3/2
Standard Lift Capacity 24-in (610mm) behind pin, lb (kg) .................. 6680 (3030)

AC 7020 Dimensions and Weight

Wheelbase, in (mm) .................. 106 (2690)
Length, in (mm) .................. 163 (4140)
Height (Hood), in (mm) .................. 68 (1720)
Height (Steering Wheel), in (mm) .................. 87 (2200)
Overall Width, in (mm) .................. 92.6 (2350)
Ground Clearance, in (mm) .................. 21 (530)
Turning Radius, in (mm) .................. 173 (4375)
Weight (Shipping), lb (kg) .................. 10820 (4905)
Weight (Operating), lb (kg) .................. 11700 (5305)
Weight (Ballasted), lb (kg) .................. 15610 (7080)