WhichTractor
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1975–1978
  • 9 built

WhichTractor size, not the maker’s category

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

Bührer 6135 specs: hp, weight, years

MERCEDES-BENZ OM-352 A diesel. The manufacturer claimed 133 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

133 hp

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Bührer 6135”, 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
8,488 lb
Top speed
15.5 mph

Bührer 6135 specs: key facts

  • The Bührer 6135 was built from 1975 to 1978.

  • The Bührer 6135 has a claimed engine power (gross or net not stated) of 99.3 kW (133 hp); it has no measured PTO figure.

  • The Bührer 6135 was built in two-wheel drive (2WD) and four-wheel drive (4WD) versions, depending on configuration.Source 2

  • The Bührer 6135 weighs 3,850 kg (8,488 lb) unladen.

  • The Bührer 6135 has an independent rear PTO running at 540/800 rpm.Source 2

  • The three-point hitch of the Bührer 6135 lifts 2,375 kg (5,236 lb) at the lower-link ends.Source 2

  • The hydraulic pump of the Bührer 6135 delivers 39.0 L/min (10.3 gpm).Source 2

Source · Traktorenlexikon, “Bührer 6135”

How does the 6135 compare with its class?

  • Worth knowing:

    An unladen mass of 3,850 kg is low for its class — 32% below the median of 5,640 kg across the 244 machines within 10% of its power that hold this figure.

  • Limitation:

    The power figure is a manufacturer claim, not a measurement. No laboratory test report exists for this machine. Of the 244 tractors within 10% of its power, 11% carry one.

Derived by WhichTractor from 244 comparable records. How we work this out

Bührer 6135 tractor
Photo: Rolandrail, CC BY-SA 4.0 via Wikimedia Commons · Wrong photo?

How much horsepower does a 6135 have?

The only figure for the 6135 is 133 hp (99.3 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)
133 hp

Source · Traktorenlexikon, “Bührer 6135”

How much will a 6135 lift?

Hydraulic and PTO specifications for the 6135 are below.

Hydraulics & PTO — 6135 hydraulics and PTO specifications
Pump flow10.3 gpm · 39.0 L/minOn record for 1 of 3 configurations
Pressure2,845 psi · 196 barOn record for 1 of 3 configurations
Hitch categoryCategory 2On record for 1 of 3 configurations
Lift at ends5,236 lb · 2,375 kgOn record for 1 of 3 configurations

Source · Traktorenlexikon, “Bührer 6135 (A)”

What transmission does a 6135 have?

Transmission specifications for the 6135 are below.

Transmission — 6135 transmission specifications
ClutchPedal operated dry Buerhrer twin disc clutch as driving clutchOn record for 1 of 3 configurations
SteeringZF spindle hydraulic steering with separate oil circuitOn record for 1 of 3 configurations
Top speed15.5 mph · 25 km/hSource 134

Source · Traktorenlexikon, “Bührer 6135 (A)”

How much does a 6135 weigh?

A 6135 weighs 8,488 lb (3,850 kg) unladen.

Weights & dimensions — 6135 weights and dimensions
Unladen weight8,488 lb · 3,850 kgSource 14150
Maximum permissible mass14,330 lb · 6,500 kgOn record for 1 of 3 configurations
Wheelbase103.5–107.5 in · 2,630–2,730 mmVaries by configuration: 2,630 mm or 2,730 mmOn record for 2 of 3 configurationstwo-wheel-drive versionfour-wheel-drive version
Length166.5 in · 4,230 mmOn record for 1 of 3 configurations
Width81.9 in · 2,080 mmOn record for 1 of 3 configurations
Height97.6 in · 2,480 mmOn record for 1 of 3 configurations
Ground clearance15.0–15.7 in · 380–400 mmVaries by configuration: 380 mm or 400 mmOn record for 2 of 3 configurationstwo-wheel-drive versionfour-wheel-drive version
Front track59.1–68.9 in · 1,500–1,750 mmVaries by configuration: 1,500–1,750 mm or 1,644–1,670 mmOn record for 2 of 3 configurationstwo-wheel-drive versionfour-wheel-drive version
Rear track64.7–74.8 in · 1,644–1,900 mmOn record for 1 of 3 configurationsthe article lists alternatives

Source · Traktorenlexikon, “Bührer 6135 (A)”

What oil does a 6135 take, and how much?

A 6135 engine takes 14.8 qt (14.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

6135 fluid capacities, grades and service intervals
SystemCapacity
Engine oil14.8 qt · 14.0 LSource: Traktorenlexikon, “Bührer 6135 (A)” · single source, not independently verified
Transmission34.9 qt · 33.0 LSource: Traktorenlexikon, “Bührer 6135 (A)” · single source, not independently verified
Hydraulic11.6 qt · 11.0 LSource: Traktorenlexikon, “Bührer 6135 (A)” · single source, not independently verified
Cooling system25.4 qt · 24.0 LSource: Traktorenlexikon, “Bührer 6135 (A)” · single source, not independently verified

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

Which tractors compare with a 6135?

Within 10% of its 133 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Bührer 6135

Is a 6135 two-wheel drive or four-wheel drive?

The Bührer 6135 was built in two-wheel drive (2WD) and four-wheel drive (4WD) versions, depending on configuration.

Sources and how this page was built

Compiled from Traktorenlexikon, “Bührer 6135 (A)”; and Traktorenlexikon, “Bührer 6135”.

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: Bührer 6135 — CC BY-SA 4.0, WIKIBOOKS-TL-91468 · revision 1030727. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Bührer 6135 (A) — CC BY-SA 4.0, WIKIBOOKS-TL-119855 · revision 1042460. Wikibooks contributors (Traktorenlexikon). Original document