- Rigid chassis
- WhichTractor size: Utility
- Not independently tested
- 1977–1985
- 3,196 built
WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
Renault 421 M Full specifications
MWM D 325-3 three-cylinder diesel. The manufacturer claimed 41.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
41.4 hp
30.9 kW as stated by the source
Not independently tested
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Renault 421 M / R 7421”, claimed
- Weight
- 4,398 lb
- Hyd. flow
- 6.8 gpm
- Top speed
- 15.5 mph
Renault 421 M specs: key facts
The Renault 421 M was built from 1977 to 1985.
The Renault 421 M has a claimed engine power (gross or net not stated) of 30.9 kW (41.4 hp); it has no measured PTO figure.
The Renault 421 M is two-wheel drive (2WD).
The Renault 421 M has a MWM D 325-3 engine, a 3-cylinder 2.55 L diesel unit.Source 2
The Renault 421 M weighs 1,995 kg (4,398 lb) unladen.
The Renault 421 M has an independent rear PTO running at 540 rpm.
The hydraulic pump of the Renault 421 M delivers 25.9 L/min (6.8 gpm).
Source · Traktorenlexikon, “Renault 421 M / R 7421”
How much horsepower does a 421 M have?
The only figure for the 421 M is 41.4 hp (30.9 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Renault 421 M / R 7421”
What engine is in a 421 M?
A 421 M has an MWM D 325-3, a 3-cylinder 2.55 L diesel engine.
| Make & model | MWM D 325-3Source 2 |
|---|---|
| Cylinders | 3, air-cooledSource 2 |
| Displacement | 155.7 ci · 2.55 LSource 2 |
| Max torque | 110 lb·ft · 149 N·m @ 1,583 rpm |
| Injection | Direct injection |
| Electrical system | 12 V |
Source · Traktorenlexikon, “Renault 421 M / R 7421”
How much will a 421 M lift, and what is its hydraulic flow?
Hydraulic and PTO specifications for the 421 M are below.
| Pump flow | 6.8 gpm · 25.9 L/min |
|---|---|
| Hitch category | Category 1 |
| Rear PTO | Independent, engine-driven, 540 rpm @ 1,581 engine rpm |
| PTO shaft | 1 3/8" - 6 splines |
Source · Traktorenlexikon, “Renault 421 M / R 7421”
What transmission does a 421 M have?
Transmission specifications for the 421 M are below.
| Clutch | Dry Verto double clutch |
|---|---|
| Brakes | Pedal operated Girling disc brake acting on half axles |
| Steering | Mechanical Gemmer steering type 65 |
| Top speed | 15.5 mph · 25 km/h |
Source · Traktorenlexikon, “Renault 421 M / R 7421”
How much does a 421 M weigh?
A 421 M weighs 4,398 lb (1,995 kg) unladen.
| Unladen weight | 4,398 lb · 1,995 kg |
|---|---|
| Wheelbase | 78.0 in · 1,982 mm |
| Length | 130.4 in · 3,312 mm |
| Width | 66.1 in · 1,680 mm |
| Height | 93.3 in · 2,370 mm |
| Ground clearance | 15.7 in · 400 mm |
| Front track | 47.2–74.8 in · 1,200–1,900 mm |
| Rear track | 51.2–70.9 in · 1,300–1,800 mm |
| Turning radius, braked | 10.9 ft · 3.31 m |
Source · Traktorenlexikon, “Renault 421 M / R 7421”
Which tractors compare with a 421 M?
Within 10% of its 32.5 hp at the PTO (claimed), the same type, and first built within 15 years of it.
- Güldner G 35 A (S)33 hp PTO, claimed · 1967–1969Side by side with the 421 M →
- David Brown 770 Selematic32.3 hp PTO, claimed · 1965–1970Side by side with the 421 M →
- SAME Aurora 45 (DT)32.9 hp PTO, claimed · 1971–1982Side by side with the 421 M →
- IMT 54033.1 hp PTO, claimed · 1975–1986Side by side with the 421 M →
- Massey Ferguson MF 253 (A)33.3 hp PTO, claimed · 1983–1987Side by side with the 421 M →
- Renault Super 5-D (A)33.4 hp PTO, claimed · 1965–1967Side by side with the 421 M →
Everything else people ask
Is a 421 M two-wheel drive or four-wheel drive?
The Renault 421 M is two-wheel drive (2WD).
What PTO does a 421 M have?
A 421 M has a independent 540 rpm rear PTO on a 1 3/8" - 6 splines shaft.
Where this page comes from
Compiled from Traktorenlexikon, “Renault 421 M / R 7421”; and Traktorenlexikon, “Renault 60 R7253”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Renault 421 M / R 7421 — CC BY-SA 4.0, WIKIBOOKS-TL-109128 · revision 993345. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: Renault 60 R7253 — CC BY-SA 4.0, WIKIBOOKS-TL-79816 · revision 1068193. Wikibooks contributors (Traktorenlexikon). Original document