Case IH JX 90 U (A)
Built: 2002–2004 · Series: JXU-Baureihe
More machines from model year 2002
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Case IH JX U – first generation of the utility range: four-cylinder diesels suited to biodiesel, 50 to 71 kW, JX 70 U to JX 100 U models from Turkey and Basildon
The Case IH JX U is a utility range that, like the Farmall U models, was built at the Turkish plant and at Basildon in the UK. The JX type designation combines with a power number and the U suffix for Utility; the register covers the JX 70 U, JX 80 U, JX 90 U and JX 100 U models, each in (A) trim, driven by four-cylinder diesel engines also approved for biodiesel (RME).
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The register holds 4 versions rated at 50 to 71.3 kW, with four-cylinder engines of 3,613 to 3,908 cm³. Weights range from 3,565 to 4,150 kg, with a uniform length of 3,880 mm and width of 1,990 mm. Heights fall between 2,475 and 2,750 mm, torque between 215 and 340 Nm at an engine speed of 2,500 rpm.
The JX U series covered the lower to middle power segment among Case IH's utility tractors, aimed at farms wanting a compact, manoeuvrable all-round tractor for field, yard and haulage work. The engines' suitability for RME biodiesel was, at the time, an argument for farms with their own biofuel production.
When buying used, check the engine and injection pump, clutch and gearbox, and the hydraulic system, especially if the tractor ran on biodiesel for extended periods, as RME places extra strain on seals. Rust on the mudguards and cab frame and the condition of the tyres are further checkpoints; spare parts run through the Case IH dealer network.
Sources: SpecCodex register, model data: Case IH JXU-Baureihe, Case IH
Technical data
Engine
| Fuel | Diesel/RMEcorrect |
|---|---|
| Power | 85 hp (62.5 kW)correct |
| Rated speed | 2,500 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 3,908 cm³correct |
| Bore | 104 mmcorrect |
| Stroke | 115 mmcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,880 mmcorrect |
|---|---|
| Width | 1,990 mmcorrect |
| Height | 2,750 mmcorrect |
| Wheelbase | 2,314 mmcorrect |
| Ground clearance | 390 mmcorrect |
| Unladen weight | 3,735 kgcorrect |
Drivetrain and chassis
| Drive | rear- or four-wheel drivecorrect |
|---|---|
| Gearbox | 24 V/24 R and 20 V/12 Rcorrect |
| Front tyres | 7.50-20 ASF (A: 380/70 R 24 AS)correct |
| Rear tyres | 480/70 R 34 AScorrect |
| Top speed | 30 km/hcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|
Where this model stands
Power-to-weight ratio: 16.7 kW/t (62 kW / 3.7 t)
Power class: Universal (40–100 hp)
Stronger than 58% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Case IH JX 90 U (A) have?
The Case IH JX 90 U (A) delivers 85 hp.
How much does the Case IH JX 90 U (A) weigh?
The unladen weight is 3,735 kg.
What engine does the Case IH JX 90 U (A) have?
4 cylinders, 3,908 cm³ displacement, Diesel/RME.
How fast does the Case IH JX 90 U (A) go?
Top speed is 30 km/h.
What are the dimensions of the Case IH JX 90 U (A)?
3,880 mm × 1,990 mm × 2,750 mm.
When was the Case IH JX 90 U (A) built?
Production years: 2002–2004.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 21 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Other models in this series
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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.