| Manufacturer |
J.I. Case |
| Price |
30,000(USD) |
| Model |
1690 |
| Equipment Type |
Utility Tractors |
| Factory |
Meltham Mills, Huddersfield, England |
NEBRASKA TRACTOR TEST 1383 2
| Description |
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
The J.I. Case 1690 features a robust 6-cylinder diesel engine with a displacement of 5.4L, ideal for heavy-duty agricultural applications. Its dual paper element air cleaner enhances air filtration efficiency, while a 16:1 compression ratio contributes to improved fuel efficiency and power output at a rated RPM of 2200. With a coolant capacity of 16 quarts, it ensures optimal engine temperature management during prolonged operation, though maintenance of the cooling system is crucial to prevent overheating in demanding conditions.
| Description |
J.I. Case diesel 6-cylinder liquid-cooled |
| Displacement |
329ci / 5.4L |
| Bore/Stroke |
3.939x4.50inches / 100x 114mm |
| Air cleaner |
dual paper elements |
| Compression |
16:1 |
| Rated RPM |
2200 |
| Starter volts |
12 |
| Coolant capacity |
16qts / 15.1L |
J.I. CASE 1690 ENGINE
The J.I. Case 1690 tractor features a robust 5.4L 6-cylinder diesel engine, providing ample torque for heavy-duty tasks. With a 26-gallon (98.4L) fuel tank, it offers extended operational range, ideal for large-scale farming or construction projects. However, users should be aware of fuel efficiency rates and potential maintenance needs specific to diesel engines to optimize performance and reduce downtime.
| Description |
J.I. Case 5.4L 6-cyl diesel |
| Fuel tank |
26gal / 98.4L |
TRANSMISSIONS OVERVIEW
The J.I. Case 1690 tractor features a 12-speed synchromesh transmission, allowing smooth gear changes and improved operator control during varying field conditions. Its partial power shift capability enhances productivity by enabling seamless transitions without disengaging the clutch, which can be advantageous in applications requiring frequent speed adjustments, such as tillage or planting. However, potential challenges include the need for precise RPM management to optimize power transfer and avoid stalling under heavy load.
| Description |
12-speed synchromesh 12-speed partial power shift |
TRANSMISSION 1
The J.I. Case 1690 tractor features a synchromesh transmission, providing smooth gear shifting for efficient power delivery across its 12 forward and 4 reverse gears, ideal for diverse agricultural applications. The hydraulic dry disc clutch offers reliable engagement under load, minimizing wear during extended operations, although it may require more maintenance compared to wet clutches. Overall, this setup enhances operator comfort and productivity, particularly in tasks requiring frequent direction changes or variable speed.
| Type |
synchromesh |
| Gears |
12 forward and 4 reverse |
| Clutch |
hydraulic dry disc |
TRANSMISSION 2
The J.I. Case 1690 tractor features a partial power shift transmission with 12 forward and 4 reverse gears, allowing for improved speed control and versatility in various field operations. The hydraulic dry disc clutch offers a smoother engagement but may require more maintenance compared to wet clutches under heavy-duty use. This configuration is advantageous for tasks that require frequent gear changes, such as plowing or hauling, but operators should be mindful of potential wear on the clutch during high-stress applications.
| 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 |
MECHANICAL
The J.I. Case 1690 tractor features a versatile drivetrain with options for 2WD and 4WD configurations, enhancing traction and stability in various field conditions. Its hydraulic wet disc brakes provide superior stopping power and reduced maintenance needs compared to traditional brake systems. The availability of both 12-speed synchromesh and partial power shift transmissions allows for precise speed control and efficient power management, making it suitable for tasks requiring variable speed operations, such as plowing and towing heavy implements.
| Chassis |
4x2 2WD/4x4 MFWD 4WD |
| Steering |
power |
| Brakes |
hydraulic wet disc |
| Cab |
Two-post ROPS. Cab optional |
| Transmissions |
12-speed synchromesh 12-speed partial power shift |
HYDRAULICS
| Type |
open center |
| Pump flow |
20gpm / 75.7lpm |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540/1000 |
J.I. CASE 1690 TIRES
The J.I. Case 1690 tractor features an Ag front tire size of 10.00-16 and a significantly larger Ag rear tire size of 18.4-34, providing enhanced traction and stability for heavy-load applications. This configuration is advantageous for tasks such as plowing or planting in diverse soil conditions, where balance and weight distribution are crucial. However, challenges may arise in maneuverability and compaction in tighter spaces due to the larger rear tires; thus, its optimal use is best suited for expansive agricultural fields.
| Ag front |
10.00-16 |
| Ag rear |
18.4-34 |
DIMENSIONS
| Wheelbase |
100.5inches / 255cm |
| 4WD ROPS Operating weight |
8755lbs / 3971kg |
| Ballasted weight |
12470lbs / 5656kg |
| 4WD Front tread |
59 to 71inches / 149to 180cm |
| Rear tread |
60.75 to 85inches / 154to 215cm |
DIMENSIONS & TIRES
The J.I. Case 1690 tractor features a wheelbase of 100.5 inches, providing stability during operation, especially in fieldwork scenarios. Weighing 8,755 lbs, it offers a favorable power-to-weight ratio for heavy-duty applications but may pose challenges in transport over soft ground. The tire specifications (10.00-16 front and 18.4-34 rear) indicate excellent traction potential; however, tire choice will significantly influence handling and ground compaction during various agricultural tasks.
| Wheelbase |
100.5inches / 255cm |
| Weight |
8755lbs / 3971kg |
| Front tire |
10.00-16 |
| Rear tire |
18.4-34 |
J.I. CASE 66L LOADER
| Height (to pin) |
126.8inches / 322cm |
| Dump reach |
43inches / 109cm |
| Dump angle |
45° |
| Rollback angle |
12° |
| Breakout force (at pin) |
4775lbs / 2165kg |
| Lift to full height (at pin) |
2100lbs / 952kg |
| Bucket width |
48inches / 121cm 60inches / 152cm 66inches / 167cm 72inches / 182cm 83inches / 210cm |
1690 SERIAL NUMBERS
| Location |
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 |
