WhichTractor
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1963–1969
  • 1,147 built

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

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

Güldner G 40A (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 40A”, 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
3,369 lb
Top speed
12.4 mph

Güldner G 40A (S) specs: key facts

  • The Güldner G 40A (S) was built from 1963 to 1969.

  • The Güldner G 40A (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 40A (S) is four-wheel drive (4WD).

  • The Güldner G 40A (S) has a Güldner 3 L 79 engine, a 3-cylinder 2.36 L diesel unit.Source 1

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

  • The Güldner G 40A (S) has an independent rear PTO running at 540/1150 rpm.

  • The three-point hitch of the Güldner G 40A (S) lifts 1,528 kg (3,369 lb) at the lower-link ends.

Source · Traktorenlexikon, “Güldner G 40A”

Illustration of the 1963–1969 Güldner G 40A (S), a 37 hp farm tractor, colour not recorded — shown unpainted · operator station not recorded — shown as an open platform, a drawing generated from its specification record
Illustration — not a photograph · colour not recorded — shown unpainted · operator station not recorded — shown as an open platform

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

The only figure for the G 40A (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 40A”

What engine is in a G 40A (S)?

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

Engine — G 40A (S) engine specifications
Make & modelGüldner 3 L 79
Cylinders3, air-cooledSource 2
Displacement143.8 ci · 2.36 L
Max torque95 lb·ft · 128 N·mSource 2
Electrical system12 VSource 2

Source · Traktorenlexikon, “Güldner G 40 Toledo”

How much will a G 40A (S) lift?

A G 40A (S) lifts 3,369 lb (1,528 kg) at the lower-link ends.

Hydraulics & PTO — G 40A (S) hydraulics and PTO specifications
Lift at ends3,369 lb · 1,528 kg
Rear PTOIndependent, engine-driven, 540/1150 rpm @ 2,160 engine rpm
PTO shaft29 x 34,9 x 8,7 mm (Form-A)

Source · Traktorenlexikon, “Güldner G 40A”

What transmission does a G 40A (S) have?

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

Transmission — G 40A (S) transmission specifications
ClutchPedal operated dry double clutch from Fichtel & Sachs
SteeringZF Gemmer steering type GD 38 with needle-bearing steering shafts
Top speed12.4 mph · 20 km/hS)30

Source · Traktorenlexikon, “Güldner G 40A”

How much does a G 40A (S) weigh?

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

Weights & dimensions — G 40A (S) weights and dimensions
Unladen weight5,170 lb · 2,345 kg
Wheelbase76.9 in · 1,954 mm
Length131.0 in · 3,328 mm
Width68.9 in · 1,750 mm
Height60.9 in · 1,547 mm
Ground clearance15.2 in · 387 mm
Front track53.5–54.1 in · 1,360–1,375 mmWikibooks gives one track for both axles; the article lists alternatives
Rear track53.5–54.1 in · 1,360–1,375 mmWikibooks gives one track for both axles; the article lists alternatives
Turning radius, braked10.3 ft · 3.15 m

Source · Traktorenlexikon, “Güldner G 40A”

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

A G 40A (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 40A (S) fluid capacities, grades and service intervals
SystemCapacity
Engine oil10.0 qt · 9.5 LSource: Traktorenlexikon, “Güldner G 40A” · single source, not independently verified
Transmission0.3 qt · 0.3 LSource: Traktorenlexikon, “Güldner G 40A” · single source, not independently verified
Hydraulic9.5 qt · 9.0 LSource: Traktorenlexikon, “Güldner G 40A” · single source, not independently verified

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

Which tractors compare with a G 40A (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 40A (S)

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

The Güldner G 40A (S) is four-wheel drive (4WD).

What PTO does a G 40A (S) have?

A G 40A (S) has a independent 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 40A”.

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

  1. Traktorenlexikon: Güldner G 40 Toledo — CC BY-SA 4.0, WIKIBOOKS-TL-43394 · revision 1078737. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Güldner G 40A — CC BY-SA 4.0, WIKIBOOKS-TL-43397 · revision 1000178. Wikibooks contributors (Traktorenlexikon). Original document