Tractor · 1980Unverified
David Brown 1690
David Brown 1690 — Utility tractor · 90 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
90 hp
Max power
54.1 kW
Weight
3971 kg
Hover a source tag to verify
Overview
ManufacturerDavid Brown (a part of J.I. Case)Reference
Utility tractorReference
Built in Meltham Mills, Huddersfield, EnglandReference
Original price was $30,000 in 1983Reference
Two- or four-wheel driveReference
Power steeringReference
Hydraulic wet disc brakesReference
Two-post ROPS. Cab optional.Reference
Engine
J.I. Case 5.4L 6-cyl dieselReference
Fuel tank98.4 LReference
Drawbar (tested)54.1 kWReference
J.I. CaseReference
dieselReference
6-cylinderReference
liquid-cooledReference
Displacement5.4 LReference
Bore/Stroke100 x 114 mmReference
Air cleanerdual paper elementsReference
Compression16:1Reference
Rated RPM2200Reference
Starter volts12Reference
Coolant capacity15.1 LReference
Power at rated engine speed67.4 kWReference
Max power54.1 kWReference
Transmission
12-speed synchromeshReference
12-speed partial power shiftReference
TypesynchromeshReference
Gears12 forward and 4 reverseReference
Clutchhydraulic dry discReference
Typepartial power shiftReference
Three gears, plus reverse, with a four-range power shift.Reference
PTO & Hydraulics
PTO (claimed)67.1 kWReference
PTO (tested)67.4 kWReference
Typeopen centerReference
Pump flow75.7 lpmReference
Rear TypeIIReference
Rear PTOindependentReference
Rear PTO Type540/1000Reference
Power at rated PTO speed65.4 kWReference
Dimensions
Wheelbase255 cmReference
Weight3971 kgReference
Front tire10.00-16Reference
Rear tire18.4-34Reference
Ag front10.00-16Reference
Ag rear18.4-34Reference
4WD ROPS Operating weight3971 kgReference
Ballasted weight5656 kgReference
4WD Front tread149 to 180 cmReference
Rear tread154 to 215 cmReference
David Brown 1690 attachments
front-end loaderReference
1690 Serial Numbers
Location:Serial number stamped into the top of the tractor's frame on the right side, next to the engine.Reference
198011120101Reference
198111211841Reference
198211213684Reference
198311214373Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Test results
Diesel 12-speed synchro 4WDMarch 27 - April 21, 1981Link: Nebraska Tractor Test 1383 fileReference
PTO performanceReference
Fuel use22.0 l/hourReference
Fuel use20.8 l/hourReference
Drawbar performanceReference
Gear 3-2 used for power test.Reference
Max pull4779 kgReference
Gear 3-1 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.