David Brown 1690 VS Simplicity 9523 specs comparison

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	-

Simplicity 9523

General Infos

Make	Simplicity
Model	9523
Country	United states
Production	From 1978  Until 1983
Price	-
Tractor type	Sub Compact Utility tractor
Fuel	diesel
Service repair manual	Simplicity 9523 Manual

Dimensions, sizes and tires

AG front tires	4.00x12
AG rear tires	9.5x24
Lawn front tires	20x8.00-10
Lawn rear tires	20x8.00-10
Indus front tires	-
Indus rear tires	-
Weight	1,825 lbs or 827 kg
Length	98.9 inches [251 cm]
Width	48 inches [121 cm]
Height	-
Wheelbase	59.8 inches [151 cm]
Ground clearance	-
Turning radius	-
Rear tread size	37/41.7 inches
Front tread size	37.4/44.1 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	77.1 ci or 1.3 L
Cylinders	2 cylinders
Engine power	23 hp or 17.2 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	Kiki NP-PE injection
Fuel tank size	7 gal or 26.5 L
Oil capacity	5 qts or 4.7 L
Oil change	50 h
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Simplicity 9523 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	70 amps
Cold Amps	-
Ground force	negative
Charging system	Hitachi LR115-58 alternator
Charging Volts	12 V
Charging Amps	15 amps

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	8 forward and 2 reverse
Clutch system	215mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	drum
Cabin type	Open operator station
Differentiel lock	rear standard

Hydraulics specifications

System	gear pump
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	5.5 gal or 20.8 L
Hydraulic pressure	-
Max flow	5.44 gpm or 20.6 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	21 hp or 15.7 kW
Real power	-
Engine @RPM	540@2300 (rpm)
PTO Clutch	-
Rear PTO	continuous
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	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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