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John Deere Modell 730 Diesel

Built: 1958–1961 · Series: 30 er-Serie

More machines from model year 1958

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The John Deere Modell 730 Diesel is a model in the 30er series. Production: 1958–1961. The engine delivers 54 hp (39.7 kW), has 2 cylinders, with a displacement of 6,157 cm³. Rated speed is 1,125 rpm. The machine is 3,308 mm long, 2,200 mm wide and 2,242 mm high. The unladen weight is 3,486 kg. The wheelbase measures 2,092 mm. Ground clearance is 330 mm. Top speed is 18 km/h. The tank holds 75.7 litres. Transmission: 6 V/1 R. The engine is water-cooled. Tyres: front 6.00-16, rear 15-30 (RC: 15.5-38). The fuel is diesel. The bore measures 155.58 mm. The stroke is 161.93 mm. Construction: unit construction (no separate frame). The gearbox offers 6 forward gears. There are also 1 reverse gears. Around 22.135 units were built. The 30 er-Serie series covers 16 models. Rated output within it ranges from 25.2 to 89 hp; the Modell 730 Diesel sits in the middle of that range with 54 hp. Its immediate neighbours are the 1130 (A) below it with 51 hp and the 1630 (A) above it with 56 hp. Unladen weight within it ranges from 1,202 to 3,900 kg; here the Modell 730 Diesel sits in the upper part of that range with 3,486 kg. 2622 John Deere models across 140 series are on record.

John Deere 30 series – the last two-cylinders 330 to 830 (1958–1960), the 435 with Detroit two-stroke and the Mannheim 1130 to 3130 (1972–1975)

As with the 20s, the '30 series' label at John Deere gathers two tractor worlds. The first are the models 330, 430, 530, 630, 730 and 830 of 1958 to 1960 – the last generation of the horizontal two-cylinders from Waterloo, with new sheet metal, improved seats and an angled steering wheel, but the same technology as since 1923. The 435 is the special case of the range: a 430 with the 2-53 two-stroke diesel from General Motors Detroit Diesel, because Deere had no diesel of its own for the small class – and at the same time the first Deere whose PTO output was measured to the new standard. The 440s are the industrial and crawler versions. In 1960 that world ended with the New Generation.

Read on 3 more paragraphs

The second group – 1130, 1630, 2130, 3030 and 3130 – came from the Mannheim plant in 1972 to 1975 as 'Generation II' for Europe, with three-, four- and six-cylinder engines, cabs and the suffix (A) for four-wheel drive and LS for the version with a powershift step. In the register the models run from 18.5 to 65.5 kW (27.5 to 70 hp), 1,647 to 7,726 cm³ with two to six cylinders, unladen weights up to 3,561 kg, lengths from 2,915 to 4,140 mm, widths from 1,359 to 2,530 mm and heights from 1,410 to 3,015 mm; fuels range from petrol, all-fuel and LPG on the two-cylinders to diesel on the Mannheim models.

The 30-series two-cylinders are today John Deere's most sought-after collector tractors because they were built for only two years; an 830 Diesel with pony starting engine is regarded as the crown of the range.

On used two-cylinders, originality, compression and the condition of the starting engine or electrics count, on the 435 the availability of Detroit Diesel parts, on the Mannheim models engine, transmission and cab.

Sources: SpecCodex register, model data: John Deere 30er-Serie, John Deere (manufacturer), John Deere (Zweizylinder-Ära) (Wikipedia)

Technical data

Engine

Fueldieselcorrect
Power54 hp (39.7 kW)correct
Rated speed1,125 rpmcorrect
Cylinders2correct
Displacement6,157 cm³correct
Bore155.58 mmcorrect
Stroke161.93 mmcorrect
Coolingwater-cooledcorrect

Dimensions and weights

Length3,308 mmcorrect
Width2,200 mmcorrect
Height2,242 mmcorrect
Wheelbase2,092 mmcorrect
Ground clearance330 mmcorrect
Unladen weight3,486 kgcorrect

Drivetrain and chassis

Driverear-wheel drivecorrect
Gearbox6 V/1 Rcorrect
Forward gears6correct
Reverse gears1correct
Front tyres6.00-16correct
Rear tyres15-30 (RC: 15.5-38)correct
Top speed18 km/hcorrect

Working data

Fuel tank capacity75.7 lcorrect

Origin and approval

Constructionunit construction (no separate frame)correct
Units built22,135correct

Where this model stands

Power-to-weight ratio: 11.4 kW/t (40 kW / 3.5 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 John Deere Modell 730 Diesel have?

The John Deere Modell 730 Diesel delivers 54 hp.

How much does the John Deere Modell 730 Diesel weigh?

The unladen weight is 3,486 kg.

What engine does the John Deere Modell 730 Diesel have?

2 cylinders, 6,157 cm³ displacement, Diesel.

How fast does the John Deere Modell 730 Diesel go?

Top speed is 18 km/h.

What are the dimensions of the John Deere Modell 730 Diesel?

3,308 mm × 2,200 mm × 2,242 mm.

When was the John Deere Modell 730 Diesel built?

Production years: 1958–1961.

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 26 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: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data

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