JI Case 2870
Built: 1976–1979 · Series: Traction King-Baureihe
More machines from model year 1976
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Case Traction King 1200 to 2870 – the first articulated tractor from Racine, Wisconsin: 2470 to 2870 as the heavy four-wheel-drive models, six-cylinder diesels of 7.4 to 11.0 litres, 88 to 221 kW
J. I. Case of Racine, Wisconsin, ranks among the oldest farm-equipment makers in the United States and, in 1969, launched one of the market's first successful articulated four-wheel-drive tractors with the 1200 Traction King. The heavy Traction King range of the 1970s – the 2470, 2670 and 2870 – carried the concept forward, while the 1470 stood alongside it as a large conventional two-axle tractor without four-wheel drive. The number in the type designation on Case's big tractors of the period roughly followed the horsepower class, so that the 2470, 2670 and 2870 mark the range's strongest four-wheel-drive models in ascending order. All models were powered by Case's own six-cylinder diesel engines, sized differently from model to model.
Read on 3 more paragraphs
The register lists 5 versions with engines of 7,391 to 11,045 cm³, outputs of 88.3 to 220.7 kW, operating weights of 7,523 to 11,385 kg and lengths of 4,750 to 5,720 mm at 2,000 to 2,200 rpm.
In the 1970s the Traction King tractors answered the needs of the large grain and cotton farms of the prairies, where a single tractor had to pull implements over 10 metres wide; they competed directly with the big Steiger and Versatile four-wheel-drive tractors of the same region.
On used articulated tractors, play in the articulation joint and the four-wheel-drive hubs, the condition of clutch and gearbox, frame cracks at the mounting points and rust in the sheet metal count; parts supply for engine and drivetrain now runs through Case IH.
Sources: SpecCodex register, model data: JI Case Traction King-Baureihe, Case IH (Nachfolgemarke der Case-Agrarsparte)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 300 hp (220.7 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 11,045 cm³correct |
| Bore | 127 mmcorrect |
| Stroke | 145 mmcorrect |
| Compression ratio | 14.7correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 5,720 mmcorrect |
|---|---|
| Height | 3,330 mmcorrect |
| Wheelbase | 2,794 mmcorrect |
| Ground clearance | 415 mmcorrect |
| Unladen weight | 11,385 kgcorrect |
Drivetrain and chassis
| Drive | four-wheel drivecorrect |
|---|---|
| Gearbox | 12 V/4 Rcorrect |
| Front tyres | 20.8-34 AScorrect |
| Rear tyres | 20.8-34 AScorrect |
| Top speed | 25 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|---|
| Units built | 1,259correct |
Where this model stands
Power-to-weight ratio: 19.4 kW/t (221 kW / 11.4 t)
Power class: Heavy (> 180 hp)
Stronger than 97% 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 JI Case 2870 have?
The JI Case 2870 delivers 300 hp.
How much does the JI Case 2870 weigh?
The unladen weight is 11,385 kg.
What engine does the JI Case 2870 have?
6 cylinders, 11,045 cm³ displacement, Diesel.
How fast does the JI Case 2870 go?
Top speed is 25 km/h.
What are the dimensions of the JI Case 2870?
5,720 mm × 3,330 mm.
When was the JI Case 2870 built?
Production years: 1976–1979.
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 22 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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