David Brown 770 Selectamatic VS Bolens H1704 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	-

Bolens H1704

General Infos

Make	Bolens
Model	H1704
Country	United states
Production	From 1985  Until 1991
Price	-
Tractor type	Sub Compact Utility tractor
Fuel	diesel
Service repair manual	Bolens H1704 Manual

Dimensions, sizes and tires

AG front tires	5.00-12
AG rear tires	8-16
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	-
Length	76.8 inches [195 cm]
Width	45 inches [114 cm]
Height	66 inches [167 cm]
Wheelbase	50.4 inches [128 cm]
Ground clearance	9.8 inches [24 cm]
Turning radius	-
Rear tread size	30.7/35 inches
Front tread size	30.1 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	51.7 ci or 0.8 L
Cylinders	3 cylinders
Engine power	17 hp or 12.7 kW
Engine RPM	2600 (rpm)
Torque	34.7 lb-ft or 47.1 Nm
Torque RPM	1800 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	3.17 gal or 12.0 L
Oil capacity	2.7 qts or 2.6 L
Oil change	100 h
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Bolens H1704 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	305
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	35 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	manual
Braking system	mechanical internal expanding
Cabin type	Open operator station
Differentiel lock	mechanical standard

Hydraulics specifications

System	open center
Valves	-
Pump flow	3 gpm or 11.4 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	1850 psi or 127.6 bar
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	454@2700 (rpm)
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	454 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position control
Rear hitch	0/1
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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