John Deere 3520 VS Allis Chalmers HD21 specs comparison

John Deere 3520

General Infos

Make	John Deere
Model	3520
Country	United states
Production	From 2005  Until 2013
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 3520 Manual

Dimensions, sizes and tires

AG front tires	7-14
AG rear tires	11.2-24
Lawn front tires	25x10.5LL-15
Lawn rear tires	25x10.5LL-15
Indus front tires	27x8.5-15
Indus rear tires	43x16-20
Weight	2900 lbs or 1315 kg
Length	120.2 inches [305 cm]
Width	52.4 inches [133 cm]
Height	93.3 inches [236 cm]
Wheelbase	68 inches [172 cm]
Ground clearance	-
Turning radius	9.2 feet [2.8 m]
Rear tread size	40.6/45.3/48.9/53.1/56.6 inches
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	91.5 ci or 1.5 L
Cylinders	3 cylinders
Engine power	37 hp or 27.6 kW
Engine RPM	2600 (rpm)
Torque	75.4 lb-ft or 102.2 Nm
Torque RPM	1560 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	13.5 gal or 51.1 L
Oil capacity	5.1 qts or 4.8 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 3520 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	500
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	40 amps

Clutch and gearbox specs

Trans system	eHydro AutoHST
Trans type	hydrostatic
Trans gears	infinite (3-range) forward and reverse
Clutch system	112.5mm wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	wet disc
Cabin type	Two-post foldable ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	5
Pump flow	8.6 gpm or 32.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	6.8 gal or 25.7 L
Hydraulic pressure	-
Max flow	13.9 gpm or 52.6 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	30 hp or 22.4 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	optional
Mid PTO RPM	2100 (rpm)
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	2530 lbs or 1147 kg
Front hitch	-
Front hitch lift	-

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	-

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