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Rigid chassis
WhichTractor size: Utility
No lab test on file
1963–1969
7,579 built

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

The source says so, in a sentence about this machine. How we decide what a machine is

Güldner G 40 (S) specs: hp, weight, years

Güldner 3 L 79 three-cylinder diesel. The manufacturer claimed 37.3 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

37.3 hp

27.8 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Güldner G 40”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight: 5,170 lb
3-point lift: 3,285 lb
Top speed: 12.4–18.6 mph

Güldner G 40 (S) specs: key facts

The Güldner G 40 (S) was built from 1963 to 1969.
The Güldner G 40 (S) has a claimed engine power (gross or net not stated) of 27.8 kW (37.3 hp); it has no measured PTO figure.
The Güldner G 40 (S) is two-wheel drive (2WD).
The Güldner G 40 (S) has a Güldner 3 L 79 engine, a 3-cylinder 2.36 L diesel unit.^{Source 2}
The Güldner G 40 (S) weighs 2,345 kg (5,170 lb) unladen.
The Güldner G 40 (S) has a rear PTO running at 540/1150 rpm.
The three-point hitch of the Güldner G 40 (S) lifts 1,490 kg (3,285 lb) at the lower-link ends.

Source · Traktorenlexikon, “Güldner G 40”

Illustration of the 1963–1969 Güldner G 40 (S), a 37 hp farm tractor, cab was optional — shown without it · colour not recorded — shown unpainted, a drawing generated from its specification record — Illustration — not a photograph · cab was optional — shown without it · colour not recorded — shown unpainted

How much horsepower does a G 40 (S) have?

The only figure for the G 40 (S) is 37.3 hp (27.8 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated): 37.3 hp

Source · Traktorenlexikon, “Güldner G 40”

What engine is in a G 40 (S)?

A G 40 (S) has a Güldner 3 L 79, a 3-cylinder 2.36 L diesel engine.

Engine — G 40 (S) engine specifications
Make & model	Güldner 3 L 79^{Source 2}
Cylinders	3, air-cooled^{Source 2}
Displacement	143.8 ci · 2.36 L^{Source 2}
Max torque	95 lb·ft · 128 N·m
Injection	Bosch inline injection pump
Electrical system	12 V

Source · Traktorenlexikon, “Güldner G 40”

How much will a G 40 (S) lift?

A G 40 (S) lifts 3,285 lb (1,490 kg) at the lower-link ends.

Hydraulics & PTO — G 40 (S) hydraulics and PTO specifications
Pressure	2,134 psi · 147 bar
Lift at ends	3,285 lb · 1,490 kg
Rear PTO	540/1150 rpm
PTO shaft	29 x 34,9 x 8,7 mm (Form-A)

Source · Traktorenlexikon, “Güldner G 40”

What transmission does a G 40 (S) have?

Transmission specifications for the G 40 (S) are below.

Transmission — G 40 (S) transmission specifications
Clutch	Pedal operated dry double clutch from Fichtel & Sachs
Steering	ZF Gemmer steering with needle bearing steering shafts
Top speed	12.4–18.6 mph · 20–30 km/hthe article lists alternatives

Source · Traktorenlexikon, “Güldner G 40”

How much does a G 40 (S) weigh?

A G 40 (S) weighs 5,170 lb (2,345 kg) unladen.

Weights & dimensions — G 40 (S) weights and dimensions
Unladen weight	5,170 lb · 2,345 kg
Wheelbase	76.9 in · 1,954 mm
Length	128.2 in · 3,257 mm
Width	61.9 in · 1,572 mm
Height	59.4 in · 1,510 mm
Ground clearance	15.2 in · 387 mm
Front track	53.5–59.1 in · 1,360–1,500 mmWikibooks gives one track for both axles; the article lists alternatives
Rear track	53.5–59.1 in · 1,360–1,500 mmWikibooks gives one track for both axles; the article lists alternatives

Source · Traktorenlexikon, “Güldner G 40”

What oil does a G 40 (S) take, and how much?

A G 40 (S) engine takes 10.0 qt (9.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

G 40 (S) fluid capacities, grades and service intervals
System	Capacity
Engine oil	10.0 qt · 9.5 LSource: Traktorenlexikon, “Güldner G 40” · single source, not independently verified
Transmission	0.3 qt · 0.3 LSource: Traktorenlexikon, “Güldner G 40” · single source, not independently verified
Hydraulic	9.5 qt · 9.0 LSource: Traktorenlexikon, “Güldner G 40” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a G 40 (S)?

Within 10% of its 37.3 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Güldner G 40 (S)

Is a G 40 (S) two-wheel drive or four-wheel drive?

The Güldner G 40 (S) is two-wheel drive (2WD).

What PTO does a G 40 (S) have?

A G 40 (S) has a 540/1150 rpm rear PTO on a 29 x 34,9 x 8,7 mm (Form-A) shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “Güldner G 40 Toledo”; and Traktorenlexikon, “Güldner G 40”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

Traktorenlexikon: Güldner G 40 — CC BY-SA 4.0, WIKIBOOKS-TL-43396 · revision 1041961. Wikibooks contributors (Traktorenlexikon). Original document
Traktorenlexikon: Güldner G 40 Toledo — CC BY-SA 4.0, WIKIBOOKS-TL-43394 · revision 1078737. Wikibooks contributors (Traktorenlexikon). Original document