David Brown 770 Selectamatic VS Hesston 80-90 specs comparison

David Brown 770 Selectamatic

General Infos

Make	David Brown
Model	770 Selectamatic
Country	United states
Production	From 1965  Until 1970
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 770 Selectamatic Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	11.2/10-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3110 lbs or 1410 kg
Length	112.5 inches [285 cm]
Width	64 inches [162 cm]
Height	-
Wheelbase	75 inches [190 cm]
Ground clearance	-
Turning radius	-
Rear tread size	48/52/56/60/64/68/72/76 inches
Front tread size	48/52/56/60/64/68/72/76 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	146.1 ci or 2.4 L
Cylinders	3 cylinders
Engine power	36 hp or 26.8 kW
Engine RPM	2055 (rpm)
Torque	100 lb-ft or 135.6 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	11.4 gal or 43.1 L
Oil capacity	7.8 qts or 7.4 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	David Brown 770 Selectamatic Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	96 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	12 forward and 4 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	spur gear
Steering	manual
Braking system	mechanical drum
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	-

Drawbar specifications

Drawbar type	-
Claimed power	27.5 hp or 20.5 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	32 hp or 23.9 kW
Real power	-
Engine @RPM	540@1620 (rpm)
PTO Clutch	-
Rear PTO	live
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	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Hesston 80-90

General Infos

Make	Hesston
Model	80-90
Country	United states
Production	From 1990  Until 1990
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Hesston 80-90 Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	13.6-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	6930 lbs or 3143 kg
Length	144 inches [365 cm]
Width	-
Height	102.5 inches [260 cm]
Wheelbase	89.5 inches [227 cm]
Ground clearance	-
Turning radius	-
Rear tread size	55.1 to 82.75 inches
Front tread size	55.1 to 74.75 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	238.5 ci or 3.9 L
Cylinders	4 cylinders
Engine power	80 hp or 59.7 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	21.1 gal or 79.9 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Hesston 80-90 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	65 amps

Clutch and gearbox specs

Trans system	-
Trans type	creeper
Trans gears	20 forward and 8 reverse
Clutch system	279.4mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power
Braking system	differential hydraulic wet disc
Cabin type	Four-post ROPS
Differentiel lock	mechanical rear

Hydraulics specifications

System	open center
Valves	2 or 3
Pump flow	11 gpm or 41.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2702 psi or 186.3 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	60.77 hp or 45.3 kW
Fuel consumption	4.1 gal/hour or 15.5 l/hour
Pulling power	7323 lbs or 3321 kg

Power take-off (PTO) specs

Claimed power	71 hp or 52.9 kW
Real power	69.25 hp or 51.6 kW
Engine @RPM	540@2198 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.0 gal/hour or 15.1 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	I/II
Rear hitch lift	4898 lbs or 2221 kg
Front hitch	-
Front hitch lift	-

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