Diesel 12-speed synchro 4WD March 27 - April 21, 1981 Link: Nebraska Tractor Test 1383 file PTO performance Drawbar performance Gear 3-2 used for power test. Gear 3-1 used for pull test
Power at rated engine speed
90.39hp / 67.4kW
Fuel use
5.5gal/hour / 20.8l/hour
Power at rated PTO speed
87.76hp / 65.4kW
Max power
72.55hp / 54.1kW
Max pull
10536lbs / 4779kg
J.I. CASE 1690 POWER
PTO (claimed)
90hp / 67.1kW
Drawbar (tested)
72.55hp / 54.1kW
PTO (tested)
90.39hp / 67.4kW
ENGINE DETAIL
Description
J.I. Case diesel 6-cylinder liquid-cooled
Displacement
329ci / 5.4L
Bore/Stroke
3.939x4.50inches / 100x 114 mm
Air cleaner
dual paper elements
Compression
16:1
Rated RPM
2200
Starter volts
12
Coolant capacity
16qts / 15.1L
J.I. CASE 1690 ENGINE
Description
J.I. Case 5.4L 6-cyl diesel
Fuel tank
26gal / 98.4L
TRANSMISSIONS OVERVIEW
Description
12-speed synchromesh 12-speed partial power shift
TRANSMISSION 1
Type
synchromesh
Gears
12 forward and 4 reverse
Clutch
hydraulic dry disc
TRANSMISSION 2
Type
partial power shift
Gears
12 forward and 4 reverse
Clutch
hydraulic dry disc
Description
Three gears, plus reverse, with a four-range power shift.
Serial number stamped into the top of the tractor's frame on the right side, next to the engine.
1980
11120101
1981
11211841
1982
11213684
1983
11214373
ELECTRICAL
Ground
negative
Battery volts
12
About Case Tractor
The 1690 tractor is part of the Case's 90 Series. The 1690 is a Utility Tractors type, that is used mainly in Agriculture Tractors. A engine runs the 1690 tractor. This setting increases real-world applicability.