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Hanomag SR 38/45

Built: 1936–1942 · Series: SR

More machines from model year 1936

Source: https://www.technikboerse.com/marke/hanomag-483

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The SR 38/45 from Hanomag is part of the SR series. Production: 1936–1942. The engine delivers 38 hp (27 kW), has 4 cylinders, with a displacement of 5,195 cm³. The machine is 3,420 mm long, 1,760 mm wide and 1,520 mm high. The unladen weight is 3,800 kg. The wheelbase measures 1,990 mm. Top speed is 16 km/h. Transmission: 3V + 1R. The engine is water-cooled. Tyres: front 520x700x120, rear 850x1065x150 doppelt. The fuel is diesel. Construction: Block. The gearbox offers 3 forward gears. There are also 1 reverse gears. Rated output across the Hanomag range ranges from 12 to 110 hp; the SR 38/45 sits in the lower part of that range with 38 hp. Its immediate neighbours are the RD 36 below it with 36 hp and the Granit 500/1/S above it with 40 hp. Unladen weight across the Hanomag range ranges from 800 to 8,700 kg; here the SR 38/45 sits in the lower part of that range with 3,800 kg. 200 Hanomag models across 22 series are on record.

Hanomag SR 38/45: water-cooled four-cylinder diesel tractor from the SR series, 5,195 cc, 38 hp/27 kW and 3,800 kg weight, from the late 1930s to early 1940s

In the late 1930s and early 1940s, the SR series was one of Hanomag's larger field tractors from Hanover, aimed at farms and municipal operations that needed a stronger, multi-cylinder diesel tractor for heavy draft work than the manufacturer's smaller series.

Read on 3 more paragraphs

The SR 38/45 is powered by a water-cooled four-cylinder diesel engine of 5,195 cc, producing 38 hp, or 27 kW, at a rated speed of 1,100 to 1,300 rpm. At a weight of 3,800 kg, a length of 3,420 mm, a height of 1,520 mm and a width of 1,760 mm, with a wheelbase of 1,990 mm, the machine is a heavy tractor whose top speed of 16 km/h was built purely for field work.

A large-displacement four-cylinder of over 5 litres running at a comparatively low speed delivers its torque already in the lower rev range and is built for pulling power rather than high revs. A tractor of this weight class was built for heavy tillage, pulling large trailed loads and driving powerful mounted implements through the pto shaft, not for fast road travel.

When buying an SR 38/45, the condition of the radiator, water pump and coolant hoses matters, along with corrosion on the frame, wings and bonnet. Also worth checking are the clutch and gearbox for wear noises and the brakes; spare parts for this heavy pre-war Hanomag are scarce and usually only obtainable from specialist suppliers and salvage stock.

Sources: SpecCodex-Register: Kennwerte des Modells Hanomag SR 38/45

Technical data

Engine

Fueldieselcorrect
Power38 hp (27 kW)correct
Rated speed1100 - 1300 rpmcorrect
Cylinders4correct
Displacement5,195 cm³correct
Coolingwater-cooledcorrect

Dimensions and weights

Length3,420 mmcorrect
Width1,760 mmcorrect
Height1,520 mmcorrect
Wheelbase1,990 mmcorrect
Unladen weight3,800 kgcorrect

Drivetrain and chassis

Driverear-wheel drivecorrect
Gearbox3V + 1Rcorrect
Forward gears3correct
Reverse gears1correct
Front tyres520x700x120correct
Rear tyres850x1065x150 doppeltcorrect
Top speed16 km/hcorrect

Origin and approval

ConstructionBlockcorrect

Where this model stands

Power-to-weight ratio: 7.1 kW/t (27 kW / 3.8 t)

Power class: Compact (< 40 hp)

Stronger than 22% 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 SR 38/45 have?

The Hanomag SR 38/45 delivers 38 hp.

How much does the Hanomag SR 38/45 weigh?

The unladen weight is 3,800 kg.

What engine does the Hanomag SR 38/45 have?

4 cylinders, 5,195 cm³ displacement, Diesel.

How fast does the Hanomag SR 38/45 go?

Top speed is 16 km/h.

What are the dimensions of the Hanomag SR 38/45?

3,420 mm × 1,760 mm × 1,520 mm.

When was the Hanomag SR 38/45 built?

Production years: 1936–1942.

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 20 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]

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