David Brown 3800 Selectamatic VS CaseIH 7120 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	-

CaseIH 7120

General Infos

Make	CaseIH
Model	7120
Country	United states
Production	From 1987  Until 1993
Price	76,000  USD
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	CaseIH 7120 Manual

Dimensions, sizes and tires

AG front tires	11.00-16
AG rear tires	18.4R3
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	15,920 lbs or 7221 kg
Length	191 inches [485 cm] (2WD)
Width	-
Height	118.2 inches [300 cm] (2WD)
Wheelbase	118.3 inches [300 cm]
Ground clearance	-
Turning radius	-
Rear tread size	60 to 125 inches
Front tread size	60 to 86 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	504.5 ci or 8.3 L
Cylinders	6 cylinders 12 valves
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	78 gal or 295.2 L
Oil capacity	21 qts or 19.9 L
Oil change	250 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	CaseIH 7120 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	950
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	110 amps

Clutch and gearbox specs

Trans system	-
Trans type	full power shift
Trans gears	18 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	differential hydraulic wet disc
Cabin type	Silent Guardian II Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center pressure flow compensated
Valves	2 to 4
Pump flow	22 gpm or 83.3 lpm
SVC flow	-
Steering flow	-
Tank capacity	50.5 gal or 191.1 L
Hydraulic pressure	2600 psi or 179.3 bar
Max flow	29 gpm or 109.8 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	135.55 hp or 101.1 kW
Fuel consumption	8.5 gal/hour or 32.2 l/hour
Pulling power	19,538 lbs or 8862 kg

Power take-off (PTO) specs

Claimed power	150 hp or 111.9 kW
Real power	151.62 hp or 113.1 kW
Engine @RPM	1000@2200 (rpm)
PTO Clutch	wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	9.0 gal/hour or 34.1 l/hour

3 point hitch specifiations

Hitch system	electronic lower link
Rear hitch	III/IIIN
Rear hitch lift	8,300 lbs or 3764 kg
Front hitch	-
Front hitch lift	-

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