Allis Chalmers HD21 VS Renault 751S 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	-

Renault 751S

General Infos

Make	Renault
Model	751S
Country	France
Production	From 1979  Until 1986
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Renault 751S Manual

Dimensions, sizes and tires

AG front tires	7.50-18
AG rear tires	13.6-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	6030 lbs or 2735 kg
Length	158.7 inches [403 cm]
Width	64.6 inches [164 cm]
Height	98 inches [248 cm]
Wheelbase	94.5 inches [240 cm]
Ground clearance	-
Turning radius	33.1 feet [10.1 m]
Rear tread size	51.2 to 78.8 inches
Front tread size	51.2 to 74.8 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	253.5 ci or 4.2 L
Cylinders	4 cylinders
Engine power	75 hp or 55.9 kW
Engine RPM	2350 (rpm)
Torque	196.2 lb-ft or 266.0 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	20.3 gal or 76.8 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Renault 751S Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	90 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	35 amps

Clutch and gearbox specs

Trans system	-
Trans type	mechanical shuttle
Trans gears	12 forward and reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	dry disc
Cabin type	ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2611 psi or 180.0 bar
Max flow	8 gpm or 30.3 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	551@2350 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	8489 lbs or 3850 kg
Front hitch	-
Front hitch lift	-

Add a tractor