• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1977–1985
  • 3,196 built

WhichTractor size, not the maker’s category

Renault 421M Dimensions & weights

12 dimension and weight values on record for the 421 M.

Engine power, claimed · gross or net not stated

41.4 hp

30.9 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Renault 421 M / R 7421”, 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.

How big is a 421 M?

A 421 M is 130.4 in (3,312 mm) long, 66.1–83.9 in (1,680–2,130 mm) wide and 93.3 in (2,370 mm) tall.

Dimensions — 421 M Dimensions
Wheelbase78.0 in · 1,982 mm
Length130.4 in · 3,312 mm
Width66.1–83.9 in · 1,680–2,130 mm
Height to top93.3 in · 2,370 mm
Ground clearance15.7 in · 400 mm
Front track47.2–74.8 in · 1,200–1,900 mm
Rear track51.2–70.9 in · 1,300–1,800 mm
Turning radius with brakes10.9 ft · 3.31 m
Turning radius without brakes12.5 ft · 3.80 m

Source · Traktorenlexikon, “Renault 421 M / R 7421”

How much does a 421 M weigh?

A 421 M weighs 4,398 lb (1,995 kg) unballasted.

Weights — 421 M Weights
Weight, unballasted4,398 lb · 1,995 kg

Source · Traktorenlexikon, “Renault 421 M / R 7421”

What tyres does a 421 M take?

Tyre sizes for the 421 M are below.

Tyres — 421 M Tyres
Front tyre, standard5.50-16 ASF
Rear tyre, standard13.6-28 AS

Source · Traktorenlexikon, “Renault 421 M / R 7421”

Sources and how this page was built

12 dimension and weight values from Traktorenlexikon, “Renault 421 M / R 7421”.

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: Renault 421 M / R 7421 — CC BY-SA 4.0, WIKIBOOKS-TL-109128 · revision 993345. Wikibooks contributors (Traktorenlexikon). Original document