John Deere 4100 VS David Brown 850 specs comparison

John Deere 4100

General Infos

Make	John Deere
Model	4100
Country	United states
Production	From 1998  Until 2001
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 4100 Manual

Dimensions, sizes and tires

AG front tires	5.00-12
AG rear tires	9.5-16
Lawn front tires	23x8.50-12
Lawn rear tires	23x8.50-12
Indus front tires	23x8.50-12
Indus rear tires	12.00x16.5
Weight	1517 lbs or 688 kg
Length	103 inches [261 cm]
Width	43 inches [109 cm]
Height	78.9 inches [200 cm]
Wheelbase	58 inches [147 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	61.4 ci or 1.0 L
Cylinders	3 cylinders
Engine power	20 hp or 14.9 kW
Engine RPM	2650 (rpm)
Torque	39.7 lb-ft or 53.8 Nm
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	5.8 gal or 22.0 L
Oil capacity	2.3 qts or 2.2 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4100 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	433
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	20 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite (2-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2418 psi or 166.7 bar
Max flow	5.1 gpm or 19.3 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	17 hp or 12.7 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	2100 (rpm)
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	930 lbs or 421 kg
Front hitch	-
Front hitch lift	-

David Brown 850

General Infos

Make	David Brown
Model	850
Country	United states
Production	From 1960  Until 1965
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 850 Manual

Dimensions, sizes and tires

AG front tires	5.00-15
AG rear tires	10-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3750 lbs or 1701 kg
Length	113.5 inches [288 cm]
Width	-
Height	-
Wheelbase	75.25 inches [191 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52/56/60/64/68/72 inches
Front tread size	52/56/60/64/68/72 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	154 ci or 2.5 L
Cylinders	4 cylinders
Engine power	35 hp or 26.1 kW
Engine RPM	2000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	10.6 gal or 40.1 L
Oil capacity	10.1 qts or 9.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 850 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	spur gear
Steering	manual
Braking system	differential mechanical expanding shoe
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	30 hp or 22.4 kW
Drawbar horsepower	27.64 hp or 20.6 kW
Fuel consumption	3.0 gal/hour or 11.4 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	33 hp or 24.6 kW
Real power	28.52 hp or 21.3 kW
Engine @RPM	540@1800 (rpm)
PTO Clutch	dry disc
Rear PTO	transmission
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	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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