Allis Chalmers HD21 VS Bolens H1704 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	-

Bolens H1704

General Infos

Make	Bolens
Model	H1704
Country	United states
Production	From 1985  Until 1991
Price	-
Tractor type	Sub Compact Utility tractor
Fuel	diesel
Service repair manual	Bolens H1704 Manual

Dimensions, sizes and tires

AG front tires	5.00-12
AG rear tires	8-16
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	-
Length	76.8 inches [195 cm]
Width	45 inches [114 cm]
Height	66 inches [167 cm]
Wheelbase	50.4 inches [128 cm]
Ground clearance	9.8 inches [24 cm]
Turning radius	-
Rear tread size	30.7/35 inches
Front tread size	30.1 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	51.7 ci or 0.8 L
Cylinders	3 cylinders
Engine power	17 hp or 12.7 kW
Engine RPM	2600 (rpm)
Torque	34.7 lb-ft or 47.1 Nm
Torque RPM	1800 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	3.17 gal or 12.0 L
Oil capacity	2.7 qts or 2.6 L
Oil change	100 h
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Bolens H1704 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	305
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	35 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	manual
Braking system	mechanical internal expanding
Cabin type	Open operator station
Differentiel lock	mechanical standard

Hydraulics specifications

System	open center
Valves	-
Pump flow	3 gpm or 11.4 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	1850 psi or 127.6 bar
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	454@2700 (rpm)
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	454 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position control
Rear hitch	0/1
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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