JI Case 610-B
Built: 1958–1959 · Series: Hunderter-B Baureihe
More machines from model year 1958
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J.I. Case hundreds B series (1957–1959) – 211-B to 910-B: the birth of the Case-o-matic, petrol, LPG and the first diesels, 22 to 52 kW
The B series was J.I. Case's tractor programme of the late 1950s from Racine, Wisconsin – the models 200-B to 900-B, which replaced the old letter types in 1957 and were replaced by the 30 series in 1960. Their technical significance lies in a transmission: with the 800-B and 900-B, Case introduced the Case-o-matic in 1957, a torque-converter drive that, as one of the first in farm machinery, allowed starting under load without clutch wear and became the brand's hallmark for the following decades. The type number follows a fixed pattern: the first digit orders the size class from 2 to 9, the endings 10 and 11 distinguish versions of the same size (410-B versus 411-B, 810-B versus 811-B), the B names the series.
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The fuels reflect American farming of the time: of 16 models in the register ten run on petrol, three on propane or optionally petrol and only three on diesel – the diesel engine only prevailed at Case with the 30 series. Values run from 22.1 to 51.5 kW, 2,074 to 6,178 cm³ with four or six cylinders, unladen weights from 1,323 to 3,939 kg, lengths from 3,086 to 3,642 mm, widths from 1,567 to 2,165 mm and heights from 1,410 to 1,676 mm.
The B tractors still wear the Flambeau Red and Desert Sunset livery Case had begun in 1939 and are regarded by collectors as the last generation before the change to the modern Case design of the 1960s.
Used, they are sought-after collector pieces in the USA; when buying, the condition of engine and carburettor, the Case-o-matic (converter, clutches, oil tightness), hydraulics and PTO and the originality of sheet metal and paint are what count.
Sources: SpecCodex register, model data: J.I. Case Hunderter-B-Baureihe, Case Corporation (Wikipedia)
Technical data
Engine
| Fuel | petrolcorrect |
|---|---|
| Power | 45 hp (33.1 kW)correct |
| Rated speed | 2,000 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 2,695 cm³correct |
| Bore | 90.49 mmcorrect |
| Stroke | 104.78 mmcorrect |
| Compression ratio | 7.26correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,086 mmcorrect |
|---|---|
| Width | 1,608 mmcorrect |
| Height | 1,610 mmcorrect |
| Wheelbase | 1,994 mmcorrect |
| Unladen weight | 1,818 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 8 V/2 R or 8 V/8 Rcorrect |
| Front tyres | 6.00-16 ASFcorrect |
| Rear tyres | 11-28 AScorrect |
| Top speed | 20 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|---|
| Units built | 744correct |
Where this model stands
Power-to-weight ratio: 18.2 kW/t (33 kW / 1.8 t)
Power class: Universal (40–100 hp)
Stronger than 29% 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 610-B have?
The JI Case 610-B delivers 45 hp.
How much does the JI Case 610-B weigh?
The unladen weight is 1,818 kg.
What engine does the JI Case 610-B have?
4 cylinders, 2,695 cm³ displacement, Benzin.
How fast does the JI Case 610-B go?
Top speed is 20 km/h.
What are the dimensions of the JI Case 610-B?
3,086 mm × 1,608 mm × 1,610 mm.
When was the JI Case 610-B built?
Production years: 1958–1959.
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
Sources: [1]
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
