• Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1957–1961
  • 31,277 built

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

MASSEY-HARRIS Pony 820 Engine specs

11 engine values on record for the Pony 820.

Engine power, claimed · gross or net not stated

18.0 hp

13.4 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Massey-Harris Massey-Harris Pony 820”, 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 Pony 820?

A Pony 820 has a HANOMAG D 621-E 54, a 2-cylinder 1.02 L diesel engine.

Engine — HANOMAG D 621-E 54 specifications
Make & modelHANOMAG D 621-E 54
FuelDiesel
Cylinders2
Displacement62.3 ci · 1.02 L
CoolingLiquid-cooled
Maximum torque58 lb·ft · 78 N·m
Maximum torque speed1,500 rpm
Air cleanerMann & Hummel oil bath air filter
Cylinders2
Displacement1.1 qt · 1.0 L
Bore3.3 in · 85 mm
Stroke3.5 in · 90 mm
Rated engine speed1,800 rpm

Source · Traktorenlexikon, “Massey-Harris Massey-Harris Pony 820”

Sources and how this page was built

11 engine values from Traktorenlexikon, “Massey-Harris Massey-Harris Pony 820”.

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: Massey-Harris Massey-Harris Pony 820 — CC BY-SA 4.0, WIKIBOOKS-TL-117018 · revision 1084739. Wikibooks contributors (Traktorenlexikon). Original document