JI Case 701-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 | dieselcorrect |
|---|---|
| Power | 54 hp (39.7 kW)correct |
| Rated speed | 1,500 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 4,380 cm³correct |
| Bore | 104.78 mmcorrect |
| Stroke | 127 mmcorrect |
| Compression ratio | 15correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Wheelbase | 2,343 mmcorrect |
|---|---|
| Unladen weight | 3,443 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 8 V/2 Rcorrect |
| Front tyres | 6.00-16 ASFcorrect |
| Rear tyres | 15.5-38 AScorrect |
| Top speed | 22 km/hcorrect |
Origin and approval
| Units built | 465correct |
|---|
Where this model stands
Power-to-weight ratio: 11.5 kW/t (40 kW / 3.4 t)
Power class: Universal (40–100 hp)
Stronger than 37% 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 701-B have?
The JI Case 701-B delivers 54 hp.
How much does the JI Case 701-B weigh?
The unladen weight is 3,443 kg.
What engine does the JI Case 701-B have?
4 cylinders, 4,380 cm³ displacement, Diesel.
How fast does the JI Case 701-B go?
Top speed is 22 km/h.
When was the JI Case 701-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 18 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
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