Yanmar Ex450 VS David Brown 1690 specs comparison

Yanmar Ex450

General Infos

Make	Yanmar
Model	Ex450
Country	Japan
Production	From 2012
Price	21,299  USD
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	Yanmar Ex450 Manual

Dimensions, sizes and tires

AG front tires	8-16
AG rear tires	14.9-24
Lawn front tires	27x12-15
Lawn rear tires	27x12-15
Indus front tires	10-16.5
Indus rear tires	17.5-24
Weight	3,499 lbs or 1587 kg
Length	127 inches [322 cm]
Width	71.89 inches [182 cm]
Height	-
Wheelbase	72 inches [182 cm]
Ground clearance	13.4 inches [34 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	133.6 ci or 2.2 L
Cylinders	4 cylinders
Engine power	45 hp or 33.6 kW
Engine RPM	2700 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	11.3 gal or 42.8 L
Oil capacity	5.6 qts or 5.3 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar Ex450 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	synchronized shuttle
Trans gears	9 forward and reverse
Clutch system	dual stage dry

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydraulic power
Braking system	wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	2 or 3
Pump flow	8.2 gpm or 31.0 lpm
SVC flow	-
Steering flow	4.5 gpm or 17.0 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	12.7 gpm or 48.1 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	37.5 hp or 28.0 kW
Real power	-
Engine @RPM	-
PTO Clutch	dry dual stage
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 control
Rear hitch	1
Rear hitch lift	2,464 lbs or 1117 kg
Front hitch	-
Front hitch lift	-

David Brown 1690

General Infos

Make	David Brown
Model	1690
Country	United states
Production	From 1980  Until 1984
Price	30,000  USD
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 1690 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8755 lbs or 3971 kg
Length	-
Width	-
Height	-
Wheelbase	100.5 inches [255 cm]
Ground clearance	-
Turning radius	-
Rear tread size	60.75 to 85 inches
Front tread size	59 to 71 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	329 ci or 5.4 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	26 gal or 98.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 1690 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	partial power shift
Trans gears	12 forward and 4 reverse
Clutch system	hydraulic dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	20 gpm or 75.7 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	72.55 hp or 54.1 kW
Fuel consumption	5.5 gal/hour or 20.8 l/hour
Pulling power	10536 lbs or 4779 kg

Power take-off (PTO) specs

Claimed power	90 hp or 67.1 kW
Real power	87.76 hp or 65.4 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	5.5 gal/hour or 20.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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