Chamberlain 45KA – specifications
Series: Other models
Build year not documented · Data origin: Reference work (Wikipedia/Wikibooks) · sources
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The Chamberlain 45KA is a tractor from Chamberlain. It runs on a two-cylinder engine.
The gearbox is a Manual 3 range unit. It runs on Petrol or TVO; the engine is water-cooled. 108 units were built.
Chamberlain – other models: collective page of Australian tractors from Welshpool, Champion and DA ranges: 34 to 115 kW (45 to 154 hp), Perkins, Detroit Diesel and John Deere engines
This page gathers the models of the Australian maker Chamberlain that the register could not assign to a range of its own, from the early Champion types to the 4080 to 4690 ranges and the Super 70/90. Chamberlain was founded in Welshpool near Perth and built tractors there for Australian farming from the 1950s, before the company passed majority control to John Deere in 1970 and was later fully absorbed by it. The DA and KA suffixes and the Champion names denote different model generations of the brand.
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The register lists here 18 versions with 34 to 115 kW (45 to 154 hp) from two- and three-cylinder engines; Perkins, Detroit Diesel and John Deere are recorded as engine suppliers. Among the fuel types diesel clearly predominates, one model also ran on petrol/TVO (Tractor Vaporising Oil), a light fuel common in Australia and Britain on earlier model years.
In the 1950s and 1960s Chamberlain was one of the few significant Australian tractor makers, supplying chiefly the large grain-growing farms of Western Australia's wheatbelt, where rugged technology and local parts availability mattered more than an international brand presence. The takeover by John Deere ended the brand's independent history, though the Champion models remained in the range for a long time as Chamberlain-John Deere tractors.
Buying used Chamberlain models, the older petrol/TVO types call for checking the carburettor and ignition system, the diesel models the cooling system and injection pump of the respective engine brand, plus wear on the gearbox and rear axle after decades of service. Parts run, depending on the engine, through the Perkins, Detroit Diesel or John Deere networks and through Australian vintage-tractor specialists.
Sources: SpecCodex register, model data: Chamberlain (weitere Modelle)
Technical data
Engine
| Fuel | Petrol/TVOcorrect |
|---|---|
| Cylinders | 2correct |
| Cooling | water-cooledcorrect |
Drivetrain and chassis
| Drive | rear-wheel driveWDcorrect |
|---|---|
| Gearbox | manual gearbox 3 rangecorrect |
| Gearbox make | Chamberlaincorrect |
| Forward gears | 9correct |
| Reverse gears | 3correct |
Origin and approval
| Plant | Welshpool, Australiacorrect |
|---|---|
| Units built | 108correct |
Other data
| Cab make | noncorrect |
|---|
Frequently asked questions
What engine does the Chamberlain 45KA have?
2 cylinders, Petrol/TVO.
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.
- 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 12 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: Tractor & Construction Plant Wiki (CC BY-SA 3.0) (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · Data sources and cross-checks
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