John Deere 1850 VS Allis Chalmers HD3 specs comparison

John Deere 1850

General Infos

Make	John Deere
Model	1850
Country	United states
Production	From 1986  Until 1994
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 1850 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	16.9-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5997 lbs or 2720 kg
Length	147.8 inches [375 cm]
Width	80.5 inches [204 cm]
Height	95.2 inches [241 cm] (MC1)
Wheelbase	80.7 inches [204 cm]
Ground clearance	24.5 inches [62 cm]
Turning radius	-
Rear tread size	51.2 to 78.7 inches
Front tread size	49.6 to 80.9 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	179.4 ci or 2.9 L
Cylinders	3 cylinders
Engine power	55 hp or 41.0 kW
Engine RPM	2400 (rpm)
Torque	143.8 lb-ft or 195.0 Nm
Torque RPM	1300 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	20.6 gal or 78.0 L
Oil capacity	-
Oil change	200 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 1850 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	55 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	Power Synchron
Trans type	creeper
Trans gears	12 forward and 8 reverse
Clutch system	dry disc

Cabine and mechanical specs

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

Hydraulics specifications

System	closed-center constant pressure
Valves	-
Pump flow	11.6 gpm or 43.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2756 psi or 190.0 bar
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	49.6 hp or 37.0 kW
Real power	-
Engine @RPM	540@2070 (rpm)
PTO Clutch	hydraulic wet disc
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	position and draft control
Rear hitch	II/I
Rear hitch lift	2810 lbs or 1274 kg
Front hitch	-
Front hitch lift	-

Allis Chalmers HD3

General Infos

Make	Allis Chalmers
Model	HD3
Country	United states
Production	From 1960  Until 1968
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Allis Chalmers HD3 Manual

Dimensions, sizes and tires

AG front tires	7-inch track
AG rear tires	7-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7645 lbs or 3467 kg
Length	108.75 inches [276 cm]
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	48 inches
Front tread size	48 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	175 ci or 2.9 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1650 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	Roosa-Master injection
Fuel tank size	14 gal or 53.0 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Allis Chalmers HD3 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	mechanical shuttle
Trans gears	4 forward and reverse
Clutch system	wet disc (Power Director)

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	1 to 3
Pump flow	15 gpm or 56.8 lpm
SVC flow	-
Steering flow	-
Tank capacity	16.5 gal or 62.5 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	26.17 hp or 19.5 kW
Fuel consumption	2.6 gal/hour or 9.8 l/hour
Pulling power	8207 lbs or 3722 kg

Power take-off (PTO) specs

Claimed power	-
Real power	32.53 hp or 24.3 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	optional
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.6 gal/hour or 9.8 l/hour

3 point hitch specifiations

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

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