David Brown 770 Selectamatic VS Ursus 1634 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	-

Ursus 1634

General Infos

Make	Ursus
Model	1634
Country	Poland
Production	From 1991  Until 2009
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Ursus 1634 Manual

Dimensions, sizes and tires

AG front tires	14.9-24
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11442 lbs or 5190 kg
Length	177 inches [449 cm]
Width	89.3 inches [226 cm]
Height	117.4 inches [298 cm]
Wheelbase	106.5 inches [270 cm]
Ground clearance	19.1 inches [48 cm]
Turning radius	-
Rear tread size	65/67.9/70.9/73.8 inches
Front tread size	67.3/71.3 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	416.4 ci or 6.8 L
Cylinders	6 cylinders
Engine power	152.9 hp or 114.0 kW
Engine RPM	2200 (rpm)
Torque	417.9 lb-ft or 566.7 Nm
Torque RPM	1650 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	44.9 gal or 169.9 L
Oil capacity	20.1 qts or 19.0 L
Oil change	-
Starter motor	electric
Starter volts	24 V
Parts And Accessories	Ursus 1634 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	135 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	12 V
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	-
Trans type	two-speed power shift
Trans gears	12 forward and 6 reverse
Clutch system	380mm hydraulic dry disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	dry disc
Cabin type	Cab standard with heat
Differentiel lock	mechanical rear

Hydraulics specifications

System	-
Valves	-
Pump flow	10.8 gpm or 40.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	12.15 gal or 46.0 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	138.1 hp or 103.0 kW
Real power	-
Engine @RPM	540@1890 (rpm)
PTO Clutch	hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	1000
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	II
Rear hitch lift	12125 lbs or 5499 kg
Front hitch	-
Front hitch lift	-

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