• Vehicle type: unspecified
  • Crawler
  • WhichTractor size: Utility
  • No lab test on file
  • 1933–1934
  • 21 built

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

We looked and the record does not say what this machine is. How we decide what a machine is

Lanz D 6550 specs: hp, weight, years

The manufacturer claimed 21.6 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

21.6 hp

16.1 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Lanz D 6550”, 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
9,700 lb
Top speed
4.5 mph

Lanz D 6550 specs: key facts

  • The Lanz D 6550 was built from 1933 to 1934.

  • The Lanz D 6550 has a claimed engine power (gross or net not stated) of 16.1 kW (21.6 hp); it has no measured PTO figure.

  • The Lanz D 6550 is a tracked machine.

  • The Lanz D 6550 weighs 4,400 kg (9,700 lb) unladen.

  • The Lanz D 6550 has a rear PTO running at 540 rpm.

Source · Traktorenlexikon, “Lanz D 6550”

How does the D 6550 compare with its class?

  • Limitation:

    Three forward gears is low for its class — 40% below the median of 5 across the 88 machines within 10% of its power that hold this figure.

  • Strength:

    A 60 L fuel tank is high for its class — 67% above the median of 36 L across the 75 machines within 10% of its power that hold this figure.

  • Worth knowing:

    An unladen mass of 4,400 kg is high for its class — 198% above the median of 1,475 kg across the 89 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 89 comparable records. How we work this out

Illustration of the 1933–1934 Lanz D 6550, a 22 hp crawler tractor, a drawing generated from its specification record
Illustration — not a photograph

How much horsepower does a D 6550 have?

The only figure for the D 6550 is 21.6 hp (16.1 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)
21.6 hp

Source · Traktorenlexikon, “Lanz D 6550”

How much will a D 6550 lift?

Hydraulic and PTO specifications for the D 6550 are below.

Hydraulics & PTO — D 6550 hydraulics and PTO specifications
Rear PTO540 rpm

Source · Traktorenlexikon, “Lanz D 6550”

What transmission does a D 6550 have?

Transmission specifications for the D 6550 are below.

Transmission — D 6550 transmission specifications
Top speed4.5 mph · 7.28 km/h

Source · Traktorenlexikon, “Lanz D 6550”

How much does a D 6550 weigh?

A D 6550 weighs 9,700 lb (4,400 kg) unladen.

Weights & dimensions — D 6550 weights and dimensions
Unladen weight9,700 lb · 4,400 kg
Length118.1 in · 3,000 mm
Width73.4 in · 1,865 mm
Height91.3 in · 2,320 mm
Ground clearance13.8 in · 350 mm
Front track57.5 in · 1,460 mmWikibooks gives one track for both axles
Rear track57.5 in · 1,460 mmWikibooks gives one track for both axles
Turning radius, braked5.4 ft · 1.66 m

Source · Traktorenlexikon, “Lanz D 6550”

What oil does a D 6550 take, and how much?

A D 6550 engine takes 7.1 qt (6.7 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

D 6550 fluid capacities, grades and service intervals
SystemCapacity
Engine oil7.1 qt · 6.7 LSource: Traktorenlexikon, “Lanz D 6550” · single source, not independently verified
Cooling system52.8 qt · 50 LSource: Traktorenlexikon, “Lanz D 6550” · single source, not independently verified

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

Common questions about the Lanz D 6550

Is a D 6550 two-wheel drive or four-wheel drive?

The Lanz D 6550 is a tracked machine.

What PTO does a D 6550 have?

A D 6550 has a 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “Lanz D 6550”.

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: Lanz D 6550 — CC BY-SA 4.0, WIKIBOOKS-TL-101841 · revision 1056213. Wikibooks contributors (Traktorenlexikon). Original document