Holder AR 48
Built: 1948–1953 · Series: Auto-Record
More machines from model year 1948
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Holder AR 48: air-cooled single-cylinder compact tractor from the Auto-Record series with 400 cc displacement, 6.6 kW output and about 530 kg weight, built 1948 to 1953
Holder, based in Metzingen, Baden-Württemberg, built small, light tractors in the first postwar years for farms with a limited budget. The AR 48 from the Auto-Record series was built between 1948 and 1953 and ranks among the company's early models.
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The single-cylinder engine of 400 cc is air-cooled by a turbo blower and delivers 6.6 kW, or 9 hp. At a weight of about 530 kg, a length of 2,550 mm, a height of 1,120 mm and a width of 1,270 mm, with a wheelbase of 1,550 mm, the AR 48 reaches a top speed of 12 km/h.
Blower-driven air cooling made the engine largely immune to frost and did away with coolant, a radiator and a water pump as possible sources of wear, though it required an intact blower for even cooling across the cylinder. A compact tractor this light was built for small farms and simple field tasks such as light tillage and hauling small loads, not for heavy draught work.
When buying an AR 48, the condition of the turbo blower and the cooling fins on the cylinder matters most, since dirt or a fault there leads directly to overheating. Also worth checking are compression and starting behaviour of the single cylinder, the clutch, and rust on the frame and sheet-metal parts; spare parts for such an old and rare Holder can now only be sourced through specialist vintage-tractor suppliers.
Sources: SpecCodex-Register: Kennwerte des Modells Holder AR 48, Holder (manufacturer)
Technical data
Engine
| Fuel | Benzin- und Traktorentreibstoffgemischescorrect |
|---|---|
| Power | 9 hp (6.6 kW)correct |
| Cylinders | 1correct |
| Displacement | 400 cm³correct |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Length | 2,550 mmcorrect |
|---|---|
| Width | 1,270 mmcorrect |
| Height | 1,120 mmcorrect |
| Wheelbase | 1,550 mmcorrect |
| Ground clearance | 260 mmcorrect |
| Unladen weight | 530 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 3 V + 1 Rcorrect |
| Forward gears | 3correct |
| Reverse gears | 1correct |
| Front tyres | 21 X 4correct |
| Rear tyres | 7.00 X 18 AScorrect |
| Top speed | 12 km/hcorrect |
Origin and approval
| Construction | frameless unit constructioncorrect |
|---|
Where this model stands
Power-to-weight ratio: 12.5 kW/t (7 kW / 0.5 t)
Power class: Compact (< 40 hp)
Stronger than 1% 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 Holder AR 48 have?
The Holder AR 48 delivers 9 hp.
How much does the Holder AR 48 weigh?
The unladen weight is 530 kg.
What engine does the Holder AR 48 have?
1 cylinders, 400 cm³ displacement, Benzin- und Traktorentreibstoffgemisches.
How fast does the Holder AR 48 go?
Top speed is 12 km/h.
What are the dimensions of the Holder AR 48?
2,550 mm × 1,270 mm × 1,120 mm.
When was the Holder AR 48 built?
Production years: 1948–1953.
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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Sources: [1]
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.