David Brown 990 Implematic VS John Deere 655 specs comparison

David Brown 990 Implematic

General Infos

Make	David Brown
Model	990 Implematic
Country	United states
Production	From 1961  Until 1980
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 990 Implematic Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	11-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4272 lbs or 1937 kg
Length	118 inches [299 cm]
Width	67 inches [170 cm]
Height	-
Wheelbase	76.75 inches [194 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52/56/60/64/68/72/76 inches
Front tread size	52/56/60/64/68/72/76 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	185.8 ci or 3.0 L
Cylinders	4 cylinders
Engine power	52 hp or 38.8 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	13.74 gal or 52.0 L
Oil capacity	7.8 qts or 7.4 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 990 Implematic Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	partially synchronized
Trans gears	12 forward and 4 reverse
Clutch system	279mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	differential mechanical expanding shoe
Cabin type	Open operator station
Differentiel lock	mechanical rear

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	7.4 gpm or 28.0 lpm

Drawbar specifications

Drawbar type	-
Claimed power	43 hp or 32.1 kW
Drawbar horsepower	43.47 hp or 32.4 kW
Fuel consumption	3.4 gal/hour or 12.9 l/hour
Pulling power	6,039 lbs or 2739 kg

Power take-off (PTO) specs

Claimed power	48 hp or 35.8 kW
Real power	48.49 hp or 36.2 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	3.0 gal/hour or 11.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

John Deere 655

General Infos

Make	John Deere
Model	655
Country	United states
Production	From 1986  Until 1990
Price	10,000  USD
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 655 Manual

Dimensions, sizes and tires

AG front tires	4.00x12
AG rear tires	7.2x1
Lawn front tires	20x8.00-10
Lawn rear tires	20x8.00-10
Indus front tires	-
Indus rear tires	-
Weight	1,565 lbs or 709 kg
Length	101.1 inches [256 cm]
Width	40.6 inches [103 cm] (min)
Height	74.2 inches [188 cm]
Wheelbase	51 inches [129 cm]
Ground clearance	-
Turning radius	6.9 feet [2.1 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	40.2 ci or 0.7 L
Cylinders	3 cylinders
Engine power	16 hp or 11.9 kW
Engine RPM	3200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	3.2 gal or 12.1 L
Oil capacity	2.4 qts or 2.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 655 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	491
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	40 amps

Clutch and gearbox specs

Trans system	Sunstrand Series 17
Trans type	hydrostatic
Trans gears	infinite (2-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	differential hydraulic wet disc
Cabin type	Two-post Roll-Gard ROPS
Differentiel lock	standard

Hydraulics specifications

System	open center
Valves	0 to 2
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	4.5 gal or 17.0 L
Hydraulic pressure	2050 psi or 141.3 bar
Max flow	4 gpm or 15.1 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	10.6 hp or 7.9 kW
Real power	-
Engine @RPM	2100@3200 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	independent
Mid PTO RPM	2100 (rpm)
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	785 lbs or 356 kg
Front hitch	-
Front hitch lift	-

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