Allis Chalmers HD21 VS Oliver 2255 specs comparison

Allis Chalmers HD21

General Infos

Make	Allis Chalmers
Model	HD21
Country	United states
Production	From 1954  Until 1965
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Allis Chalmers HD21 Manual

Dimensions, sizes and tires

AG front tires	tracks
AG rear tires	tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	45500 lbs or 20638 kg
Length	198 inches [502 cm]
Width	-
Height	99 inches [251 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	844 ci or 13.8 L
Cylinders	6 cylinders
Engine power	225 hp or 167.8 kW
Engine RPM	1800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	135 gal or 511.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	24 V
Parts And Accessories	Allis Chalmers HD21 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	torque converter
Trans gears	2 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
Braking system	contracting band
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	135.12 hp or 100.8 kW
Fuel consumption	-
Pulling power	40563 lbs or 18399 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	-
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Oliver 2255

General Infos

Make	Oliver
Model	2255
Country	United states
Production	From 1972  Until 1976
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Oliver 2255 Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	16500 lbs or 7484 kg
Length	154 inches [391 cm]
Width	81.5 inches [207 cm]
Height	-
Wheelbase	83.5 inches [212 cm]
Ground clearance	-
Turning radius	-
Rear tread size	61 to 91 inches
Front tread size	60 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	636 ci or 10.4 L
Cylinders	8 cylinders
Engine power	-
Engine RPM	2800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	35 gal or 132.5 L
Oil capacity	13 qts or 12.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Oliver 2255 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Hydraul-Shift
Trans type	partial power shift
Trans gears	6 forward and 2 reverse
Clutch system	14-inch dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	hydraulic disc
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	1 to 4
Pump flow	20 gpm or 75.7 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	115.35 hp or 86.0 kW
Fuel consumption	7.8 gal/hour or 29.5 l/hour
Pulling power	14,770 lbs or 6699 kg

Power take-off (PTO) specs

Claimed power	-
Real power	147.65 hp or 110.1 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	9.4 gal/hour or 35.6 l/hour

3 point hitch specifiations

Hitch system	draft control
Rear hitch	II/III
Rear hitch lift	6,000 lbs or 2721 kg
Front hitch	-
Front hitch lift	-

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