• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1964–1967
  • 2,450 built

It sits on the compact/utility boundary, so either size is a fair description. It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

Hanomag Perfekt 401 (S) Engine specs

11 engine values on record for the Perfekt 401 (S).

Engine power, claimed · gross or net not stated

31 hp

23 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Hanomag Perfekt 401 (S)”, 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.

What engine is in a Perfekt 401 (S)?

A Perfekt 401 (S) has a Hanomag-Borgward D 301 R, a 4-cylinder 1.80 L diesel engine.

Engine — Hanomag-Borgward D 301 R specifications
Make & modelHanomag-Borgward D 301 R
FuelDiesel
Cylinders4
Displacement109.7 ci · 1.80 L
CoolingLiquid-cooled
Maximum torque73 lb·ft · 99 N·m
Maximum torque speed1,700 rpm
Air cleaneroil bath air filter
Cylinders4
Displacement1.9 qt · 1.8 L
Bore3.1 in · 78 mm
Stroke3.7 in · 94 mm
Rated engine speed2,400 rpm

Source · Traktorenlexikon, “Hanomag Perfekt 401 (S)”

Sources and how this page was built

11 engine values from Traktorenlexikon, “Hanomag Perfekt 401 (S)”.

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: Hanomag Perfekt 401 (S) — CC BY-SA 4.0, WIKIBOOKS-TL-69763 · revision 972211. Wikibooks contributors (Traktorenlexikon). Original document