Specifications, Service and Repair of Farm and Lawn Tractors

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Allis Chalmers 7050 Technical Data

Allis Chalmers 7050 Engine Specifications

Engine Model .................. Allis Chalmers 670i
Engine Type .................. 4-stroke, 6-cylinder turbocharged intercooled diesel
Number of Cylinders .................. 6
Displacement, cu in (L) .................. 426 (7.00)
Engine Bore, in (mm) .................. 4.25 (108.0)
Engine Stroke, in (mm) .................. 5.00 (127.0)
Aspiration .................. Turbocharged
Rated Engine Power, hp (kW) .................. 173.0 (128.2)
Rated Engine Speed, rpm .................. 2300
Compression .................. 16.0:1
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) .................. 25.0 (23.7)
Coolant Capacity, qts (L) .................. 31.0 (29.3)
Electrical System Rating, Volts .................. 12
Charging System .................. Alternator

AC 7050 Power Take-Off

PTO Operational Type .................. Independent
PTO Horsepower, hp (kW) .................. 145.0 (108.1)
PTO Clutch .................. Wet disc
PTO Speed, rpm .................. 1000
PTO / Engine Speed, rpm .................. 1000/2253
PTO / Engine Speed, rpm .................. 1021/2300

Transmission Configuration

Transmission Type .................. Power Director
Gearbox Type .................. 20F/4R, partial powershift
Number of Forward Gears .................. 20
Number of Reverse Gears .................. 4
Clutch Type .................. Wet disc
Maximum Forward Speed, mph (kph) .................. 19.4 (31.2)
Maximum Reverse Speed, mph (kph) .................. 8.7 (14.0)

AC 7050 Wheels and Tires

Drive Wheels .................. 2WD 4x2
Steering Configuration .................. Front steer
Steering System .................. Hydrostatic power
Brakes Type .................. Differential hydraulic wet disc
Front Tire Size .................. 11.0x16
Rear Tire Size .................. 20.8x38
Front Tread Width, in (mm) .................. 65.5-89.5 (1655-2105)
Rear Tread Width, in (mm) .................. 112-128 (2835-3240)

Allis Chalmers 7050 Hydraulic System

Hydraulic System Type .................. Load-sensitive
Hydraulic Pump Type .................. Variable-displacement axial-piston pump
Implement Pump Flow, gpm (Lpm) .................. 22.0 (83.3)
Total Flow, gpm (Lpm) .................. 45.0 (170.3)
Number of Standard Remote Valves .................. 2/3
3-Point Hitch Category .................. 3/2

AC 7050 Dimensions and Weight

Wheelbase, in (mm) .................. 106 (2690)
Length, in (mm) .................. 163 (4140)
Height (Cab), in (mm) .................. 116 (2940)
Overall Width, in (mm) .................. 95.5 (2420)
Ground Clearance, in (mm) .................. 23 (580)
Turning Radius, in (mm) .................. 197 (4985)
Weight (Operating), lb (kg) .................. 14525 (6590)
Weight (Ballasted), lb (kg) .................. 19530 (8860)

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ALLIS CHALMERS TRACTORS SPECIFICATIONS

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INTERNATIONAL HARVESTER TRACTORS SPECS

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