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 4×2
Steering Configuration ……………… Front steer
Steering System ……………… Hydrostatic power
Brakes Type ……………… Differential hydraulic wet disc
Front Tire Size ……………… 11.0×16
Rear Tire Size ……………… 20.8×38
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)