- Rigid chassis
- WhichTractor size: Standard-size
- Not independently tested
- 1951–1957
WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
Nuffield PM-4 Full specifications
MORRIS-COMMERCIAL 38 T/V four-cylinder petrol. The manufacturer claimed 48.0 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
48.0 hp
35.8 kW as stated by the source
Not independently tested
Claimed · standard not stated by the source
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”, claimed
- Weight
- 4,546 lb
- Hyd. flow
- 7.2 gpm
- Top speed
- 17.4 mph
Nuffield PM-4 specs: key facts
The Nuffield PM-4 was built from 1951 to 1957.
The Nuffield PM-4 has a claimed engine power (gross or net not stated) of 35.8 kW (48.0 hp); it has no measured PTO figure.
The Nuffield PM-4 is two-wheel drive (2WD).
The Nuffield PM-4 has a MORRIS-COMMERCIAL 38 T/V engine, a 4-cylinder 3.77 L petrol unit.
The Nuffield PM-4 weighs 2,062 kg (4,546 lb) unladen.
The Nuffield PM-4 has a dependent rear PTO running at 540 rpm.
The hydraulic pump of the Nuffield PM-4 delivers 27.3 L/min (7.2 gpm).
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”
How much horsepower does a PM-4 have?
The only figure for the PM-4 is 48.0 hp (35.8 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”
What engine is in a PM-4?
A PM-4 has a MORRIS-COMMERCIAL 38 T/V, a 4-cylinder 3.77 L petrol engine.
| Make & model | MORRIS-COMMERCIAL 38 T/V |
|---|---|
| Cylinders | 4, liquid-cooled |
| Displacement | 230.1 ci · 3.77 L |
| Max torque | 148 lb·ft · 200 N·m @ 1,000 rpm |
| Electrical system | 12 V |
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”
How much will a PM-4 lift, and what is its hydraulic flow?
Hydraulic and PTO specifications for the PM-4 are below.
| Pump flow | 7.2 gpm · 27.3 L/min |
|---|---|
| Hitch category | Category 1 |
| Rear PTO | Dependent, transmission-driven, 540 rpm @ 1,400 engine rpm |
| PTO shaft | 1 3/8"- 6 splines |
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”
What transmission does a PM-4 have?
Transmission specifications for the PM-4 are below.
| Clutch | Pedal-operated dry single-plate clutch |
|---|---|
| Brakes | Pedal-operated drum brake acting on drive shafts |
| Steering | Mechanical recirculating ball steering |
| Top speed | 17.4 mph · 28 km/h |
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”
How much does a PM-4 weigh?
A PM-4 weighs 4,546 lb (2,062 kg) unladen.
| Unladen weight | 4,546 lb · 2,062 kg |
|---|---|
| Wheelbase | 78.0 in · 1,981 mm |
| Length | 121.5 in · 3,086 mm |
| Width | 69.0 in · 1,753 mm |
| Height | 80.7 in · 2,051 mm |
| Ground clearance | 17.0 in · 432 mm |
| Front track | 52.8–71.3 in · 1,340–1,810 mm |
| Rear track | 53.0–77.0 in · 1,346–1,956 mm |
Source · Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”
Which tractors compare with a PM-4?
Within 10% of its 33.9 hp at the PTO (claimed), the same type, and first built within 15 years of it.
- Massey-Harris-Ferguson FE 35 Spezial33.8 hp PTO, claimed · 1956–1960Side by side with the PM-4 →
- International Harvester W-634.2 hp PTO, claimed · 1940–1953Side by side with the PM-4 →
- J.I. Case 43033.5 hp PTO, claimed · 1960–1969Side by side with the PM-4 →
- J.I. Case 43133.5 hp PTO, claimed · 1960–1969Side by side with the PM-4 →
- Renault Super 5-D (A)33.4 hp PTO, claimed · 1965–1967Side by side with the PM-4 →
- BOLINDER-MUNKTELL BM-35/BM-3635 hp PTO, claimed · 1952–1959Side by side with the PM-4 →
Everything else people ask
Is a PM-4 two-wheel drive or four-wheel drive?
The Nuffield PM-4 is two-wheel drive (2WD).
What PTO does a PM-4 have?
A PM-4 has a dependent 540 rpm rear PTO on a 1 3/8"- 6 splines shaft.
Where this page comes from
Compiled from Traktorenlexikon, “Nuffield Universal PM 4 / Petrol (1948-1954)”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Nuffield Universal PM 4 / Petrol (1948-1954) — CC BY-SA 4.0, WIKIBOOKS-TL-116023 · revision 991975. Wikibooks contributors (Traktorenlexikon). Original document