Allis Chalmers 440 tractor specifications

1973 - 1977

1973 - 1977 Four-wheel Drive (4WD) tractorSteiger built

Series:

Series:4407580 ↓

1976 - 1981

Four-wheel Drive (4WD) tractor

Production

Production
Manufacturer:	Allis Chalmers
Type:	Four-wheel Drive (4WD) tractor
Factory:	West Allis, Wisconsin, USA
Total built:	1610
Original price:	$63,084

Allis Chalmers 7580 Power

Allis Chalmers 7580 Power
Drawbar (claimed):	153 hp 114.1 kW
PTO (claimed):	186 hp 138.7 kW
Drawbar (tested):	153.70 hp 114.6 kW
PTO (tested):	186.35 hp 139.0 kW
power test details ...

Allis Chalmers 7580 Engine

Allis Chalmers 7580 Engine
Allis Chalmers 7.0L 6-cyl diesel
Fuel tank:	170 gal 643.5 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x4 articulated 4WD
Steering:	hydrostatic power
Brakes:	hydraulic wet discs
Cab:	Acousta cab standard with heat and air-conditioning. Optional radio and 8 track tape player.
Transmission:	20-speed partial power shift
Transmission details ...

Hydraulics

Hydraulics
Type:	closed center
Valves:	3 to 4
Pump flow:	23 gpm 87.1 lpm
Total flow:	74.9 gpm 283.5 lpm

Tractor hitch

Tractor hitch
Rear Type:	III

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	1000

Dimensions & Tires

Dimensions & Tires
Wheelbase:	126 inches 320 cm
Weight:	23100 to 23510 pounds
Front tire:	20.8x38
Rear tire:	20.8x38
Full dimensions and tires ...

7580 Serial Numbers

7580 Serial Numbers
Location:	Front frame, rear left side
1976:	1001
1977:	1288
1978:	1605
1979:	2218
1980:	2486
1981:	2717
Final:	3018
how to read serial numbers...

Electrical

Electrical
Charging system:	alternator
Batteries:	4
Battery volts:	12

Production

Production Distributor:Allis Chalmers
Manufacturer:Steiger
Type:Four-wheel Drive (4WD) tractor
Factory:Fargo, North Dakota, USA
Total built:1,033
Original price:$38,179

Allis Chalmers 440 Power

Allis Chalmers 440 Power Engine:218 hp
162.6 kW
Drawbar (claimed):165 hp
123.0 kW
Plows:7-8

Allis Chalmers 440 Engine

Allis Chalmers 440 Engine Cummins 9.1L 8-cyl diesel Engine details ...

1973 - 1977

Four-wheel Drive (4WD) tractor

Steiger built

Series:

Series:	440
	7580 ↓

Engine Detail

Engine Detail
Cummins 555C
turbocharged diesel
8-cylinder 32-valve
liquid-cooled V8
Displacement:	555 ci 9.1 L
Bore/Stroke:	4.625x4.125 inches 117 x 105 mm
Power:	218 hp 162.6 kW
Compression:	17:1
Rated RPM:	2800
Starter type:	electric

Mechanical

Mechanical Chassis:4x4 articulated 4WD
Final drives:outboard planetary
Steering:articulated hydraulic power
Brakes:hydraulic disc
Cab:Cab standard. Available air-conditioning.
Transmission:10-speed
Transmission details ...

1973 - 1977

Four-wheel Drive (4WD) tractor

Steiger built

Series:

Series:	440
	7580 ↓

Transmission

Transmission
Transmission:	Eaton
Gears:	10 forward and 2 reverse
Clutch:	cerametallic dry disc

Hydraulics

Hydraulics Type:open center
Pressure:2000 psi
137.9 bar
Valves:3
Pump flow:21 gpm
79.5 lpm
Steering flow:16 gpm
60.6 lpm
Steering press.:1500 psi
103.4 bar