WhichTractor
  • Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1956–1960
  • 150 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

Hermann Lanz D 30 specs: hp, weight, years

Hela AZ 1 two-cylinder diesel. The manufacturer claimed 27.5 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

27.5 hp

20.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “HELA D30”, 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
3,671 lb
Hyd. flow
9.0 gpm
Top speed
12.3 mph

Hermann Lanz D 30 specs: key facts

  • The Hermann Lanz D 30 was built from 1956 to 1960.

  • The Hermann Lanz D 30 has a claimed engine power (gross or net not stated) of 20.5 kW (27.5 hp); it has no measured PTO figure.

  • The Hermann Lanz D 30 is two-wheel drive (2WD).

  • The Hermann Lanz D 30 has a Hela AZ 1 engine, a 2-cylinder diesel unit.

  • The Hermann Lanz D 30 weighs 1,665 kg (3,671 lb) unladen.

  • The Hermann Lanz D 30 has a dependent rear PTO running at 572 rpm.

  • The hydraulic pump of the Hermann Lanz D 30 delivers 34.0 L/min (9.0 gpm).

Source · Traktorenlexikon, “HELA D30”

How does the D 30 compare with its class?

  • Strength:

    A hydraulic pump flow of 34 L/min is high for its class — 104% above the median of 16.7 L/min across the 58 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 119 comparable records. How we work this out

Illustration of the 1956–1960 Hermann Lanz D 30, a 27 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 D 30 have?

The only figure for the D 30 is 27.5 hp (20.5 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)
27.5 hp

Source · Traktorenlexikon, “HELA D30”

What engine is in a D 30?

A D 30 has a Hela AZ 1, a 2-cylinder diesel engine.

Engine — D 30 engine specifications
Make & modelHela AZ 1
Cylinders2
Electrical system12 V

Source · Traktorenlexikon, “HELA D30”

How much will a D 30 lift, and what is its hydraulic flow?

Hydraulic and PTO specifications for the D 30 are below.

Hydraulics & PTO — D 30 hydraulics and PTO specifications
Pump flow9.0 gpm · 34.0 L/min
Rear PTODependent, transmission-driven, 572 rpm

Source · Traktorenlexikon, “HELA D30”

What transmission does a D 30 have?

Transmission specifications for the D 30 are below.

Transmission — D 30 transmission specifications
Clutchsingle-plate dry clutch
BrakesPedal operated internal expanding shoe brake acting on rear wheels
SteeringDust and oil tight encapsulated worm steering
Top speed12.3 mph · 19.8 km/h

Source · Traktorenlexikon, “HELA D30”

How much does a D 30 weigh?

A D 30 weighs 3,671 lb (1,665 kg) unladen.

Weights & dimensions — D 30 weights and dimensions
Unladen weight3,671 lb · 1,665 kg
Wheelbase74.8 in · 1,900 mm
Length122.0 in · 3,100 mm
Width61.0 in · 1,550 mm
Height53.1 in · 1,350 mm
Ground clearance12.6 in · 320 mm
Front track49.2–59.1 in · 1,250–1,500 mmWikibooks gives one track for both axles; the article lists alternatives
Rear track49.2–59.1 in · 1,250–1,500 mmWikibooks gives one track for both axles; the article lists alternatives
Turning radius, braked9.8 ft · 3.00 m

Source · Traktorenlexikon, “HELA D30”

What oil does a D 30 take, and how much?

A D 30 engine takes 5.8 qt (5.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

D 30 fluid capacities, grades and service intervals
SystemCapacity
Engine oil5.8 qt · 5.5 LSource: Traktorenlexikon, “HELA D30” · single source, not independently verified
Cooling system5.1 qt · 4.8 LSource: Traktorenlexikon, “HELA D30” · single source, not independently verified

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

Which tractors compare with a D 30?

Within 10% of its 27.5 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Hermann Lanz D 30

Is a D 30 two-wheel drive or four-wheel drive?

The Hermann Lanz D 30 is two-wheel drive (2WD).

What PTO does a D 30 have?

A D 30 has a dependent 572 rpm rear PTO.

What serial numbers does a D 30 carry?

The source prints serial numbers 30 001 to 30 060.

Sources and how this page was built

Compiled from Traktorenlexikon, “HELA D30”.

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: HELA D30 — CC BY-SA 4.0, WIKIBOOKS-TL-83106 · revision 922764. Wikibooks contributors (Traktorenlexikon). Original document