Hanomag R 28 N
Built: 1951–1953 · Series: N
More machines from model year 1951
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Hanomag R 28 N: water-cooled four-cylinder diesel tractor from the N series, 2,799 cc, 28 hp/21 kW and 1,740 kg weight, built in the early 1950s
Hanomag is a long-established German engineering manufacturer based in Hanover that ran its own tractor division for decades alongside trucks and construction machinery; the brand lives on today in the construction-equipment business of Komatsu Hanomag. The N series was one of the manufacturer's smaller field tractors in the early 1950s, aimed at farms that needed a simple, robust diesel tractor for everyday field work in the post-war years.
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The R 28 N is powered by a water-cooled four-cylinder diesel engine of 2,799 cc, producing 28 hp, or 21 kW, at 1,500 rpm. At a weight of 1,740 kg, a length of 2,830 mm, a height of 1,450 mm and a width of 1,580 mm, with a wheelbase of 1,800 mm, the machine is a compact tractor in the lower power class, whose top speed of 16.8 km/h was suited to field work and light road transport.
A water-cooled four-cylinder ran more smoothly and evenly than the single-cylinder units common at the time, but brought a radiator, water pump and hose connections as additional wear points. A tractor of this power class was built for tillage on medium-sized farms, driving mounted implements through the pto shaft and light haulage, not for heavy draft work with large trailed loads.
When buying such an old Hanomag tractor, the condition of the radiator, water pump and coolant hoses matters, along with corrosion on the radiator shell and sheet-metal parts. Also worth checking are the clutch, gearbox and final drive for play and unusual noise, plus the brakes; spare parts for a Hanomag tractor of this age are now only available from specialist suppliers and salvage stock.
Sources: SpecCodex-Register: Kennwerte des Modells Hanomag R 28 N
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 28 hp (21 kW)correct |
| Rated speed | 1,500 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 2,799 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 2,830 mmcorrect |
|---|---|
| Width | 1,580 mmcorrect |
| Height | 1,450 mmcorrect |
| Wheelbase | 1,800 mmcorrect |
| Ground clearance | 310 mmcorrect |
| Unladen weight | 1,740 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 5/1- oder 10/2-Getriebecorrect |
| Forward gears | 10correct |
| Reverse gears | 2correct |
| Front tyres | 5, 5-16correct |
| Rear tyres | 9-24correct |
| Top speed | 16.8 km/hcorrect |
Working data
| Fuel tank capacity | 48 lcorrect |
|---|
Origin and approval
| Construction | semi-frame constructioncorrect |
|---|---|
| Units built | 330correct |
Where this model stands
Power-to-weight ratio: 12.1 kW/t (21 kW / 1.7 t)
Power class: Compact (< 40 hp)
Stronger than 16% 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 Hanomag R 28 N have?
The Hanomag R 28 N delivers 28 hp.
How much does the Hanomag R 28 N weigh?
The unladen weight is 1,740 kg.
What engine does the Hanomag R 28 N have?
4 cylinders, 2,799 cm³ displacement, Diesel.
How fast does the Hanomag R 28 N go?
Top speed is 16.8 km/h.
What are the dimensions of the Hanomag R 28 N?
2,830 mm × 1,580 mm × 1,450 mm.
When was the Hanomag R 28 N built?
Production years: 1951–1953.
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 24 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.