David Brown 3800 Selectamatic VS New Holland TJ450 specs comparison

David Brown 3800 Selectamatic

General Infos

Make	David Brown
Model	3800 Selectamatic
Country	United states
Production	From 1968  Until 1971
Price	4,000  USD
Tractor type	Utility tractor
Fuel	gasoline
Service repair manual	David Brown 3800 Selectamatic Manual

Dimensions, sizes and tires

AG front tires	14.9/13-24
AG rear tires	13.6/12-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3885 lbs or 1762 kg
Length	115.625 inches [293 cm]
Width	64.5 inches [163 cm] (min)
Height	-
Wheelbase	76 inches [193 cm]
Ground clearance	-
Turning radius	-
Rear tread size	48 to 76 inches
Front tread size	48 to 72 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	146.1 ci or 2.4 L
Cylinders	3 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	115 lb-ft or 155.9 Nm
Torque RPM	1400 (rpm)
Fuel type	gasoline
Fuel injection	-
Fuel tank size	9.5 gal or 36.0 L
Oil capacity	6.75 qts or 6.4 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 3800 Selectamatic Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
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 shoe
Cabin type	Open operating station
Differentiel lock	rear diff lock standard

Hydraulics specifications

System	Selectamatic
Valves	-
Pump flow	7.3 gpm or 27.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	6 gal or 22.7 L
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	32.13 hp or 24.0 kW
Fuel consumption	3.4 gal/hour or 12.9 l/hour
Pulling power	4419 lbs or 2004 kg

Power take-off (PTO) specs

Claimed power	39 hp or 29.1 kW
Real power	37.24 hp or 27.8 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.3 gal/hour or 12.5 l/hour

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	I
Rear hitch lift	1600 lbs or 725 kg
Front hitch	-
Front hitch lift	-

New Holland TJ450

General Infos

Make	New Holland
Model	TJ450
Country	United states
Production	From 2002  Until 2005
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	New Holland TJ450 Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	39,325 lbs or 17837 kg
Length	317.5 inches [806 cm]
Width	-
Height	152.1 inches [386 cm]
Wheelbase	154 inches [391 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	912 ci or 14.9 L
Cylinders	6 cylinders
Engine power	450 hp or 335.6 kW
Engine RPM	2000 (rpm)
Torque	1743 lb-ft or 2363.5 Nm
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	300 gal or 1135.5 L
Oil capacity	52 qts or 49.2 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	New Holland TJ450 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	-
Battries Amps	-
Cold Amps	1000
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	135 amps

Clutch and gearbox specs

Trans system	-
Trans type	full powershift
Trans gears	16 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 4WD
Final drive	-
Steering	hydrostatic power
Braking system	integrated hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center load sensing
Valves	4 to 9
Pump flow	35 gpm or 132.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	40 gpm or 151.4 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	371.35 hp or 276.9 kW
Fuel consumption	21.8 gal/hour or 82.5 l/hour
Pulling power	44,525 lbs or 20196 kg

Power take-off (PTO) specs

Claimed power	395 hp or 294.6 kW
Real power	400.64 hp or 298.8 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	-
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	22.1 gal/hour or 83.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III, IVN
Rear hitch lift	19,500 lbs or 8845 kg
Front hitch	-
Front hitch lift	-

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