International Harvester Farmall 504 or Nuffield DM-4?
Which should you choose?
The data can’t decide this. Power at the PTO shaft cannot be compared: the Farmall 504 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft; the DM-4 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft.
- The International Harvester Farmall 504 suits loader and hydraulic implement work better on this data: 67% (18.2 L/min / 4.8 gpm) more hydraulic flow.
Generated by rule set compare@4 from the figures on the side-by-side table, allowed by route “the same stated configuration”. Measured figures are compared only with measured, claimed only with claimed, at the same test condition; differences within each figure’s tolerance are not called.
What decides it, question by question?
| Question | Farmall 504 | DM-4 | Call |
|---|---|---|---|
| Which puts more power through the PTO shaft? | 33.8 kW (45.3 hp)Traktorenlexikon, “Farmall Farmall 504” | 33.5 kW (44.9 hp)Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | Not comparableNot comparable on power at the PTO shaft: the Farmall 504 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft; the DM-4 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft. |
| Which turns a litre of fuel into more work at the shaft? | — | — | No figureNo call on fuel efficiency at the shaft: no figure on record for the Farmall 504 and the DM-4. |
| Which pulls harder at the drawbar? | — | — | No figureNo call on drawbar power: no figure on record for the Farmall 504 and the DM-4. |
| Which pumps more oil for implements? | 45.5 L/min (12.0 gpm)Traktorenlexikon, “Farmall Farmall 504” | 27.3 L/min (7.2 gpm)Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | AheadThe International Harvester Farmall 504 has 67% more hydraulic flow (18.2 L/min / 4.8 gpm) than the Nuffield DM-4 (both pump flow, as stated by the source). |
| Which lifts more on the three-point hitch? | — | — | No figureNo call on three-point lift: no figure on record for the Farmall 504 and the DM-4. |
| Which is heavier, for traction? | 2,443 kg (5,386 lb)Traktorenlexikon, “Farmall Farmall 504” | 2,266 kg (4,996 lb)Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | EvenEven on weight (both unladen weight, as stated by the source): the difference is under the 10% threshold, too small to call. |
| Which may carry more ballast and load? | — | — | No figureNo call on maximum permissible mass: no figure on record for the Farmall 504 and the DM-4. |
| Which has the wider choice of gears? | 5 to 10Traktorenlexikon, “Farmall Farmall 504” | 5Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | EvenEven on forward gears (both forward gears, as stated by the source): the figures vary by configuration and the ranges overlap. |
| Which offers a creeper range? | — | — | No figureNo call on a creeper range: not stated for the Farmall 504 and the DM-4. |
| Which is faster on the road? | 30 km/h (18.6 mph)Traktorenlexikon, “Farmall Farmall 504” | 28 km/h (17.4 mph)Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | EvenEven on top speed (both top speed forward, as stated by the source): the difference is under the 10% threshold, too small to call. |
| Which offers more PTO speeds? | 540 rpmTraktorenlexikon, “Farmall Farmall 504” | 540 rpmTraktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | EvenEven on PTO speeds: the same speeds (540 rpm). |
| Which PTO runs independently of the ground drive? | dependent (stops with the clutch)Traktorenlexikon, “Farmall Farmall 504” | dependent (stops with the clutch)Traktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | EvenEven on PTO independence: every PTO is dependent. |
| Which drives on both axles? | 2WDTraktorenlexikon, “Farmall Farmall 504” | 2WDTraktorenlexikon, “Nuffield Universal DM 4 / Diesel (1950-1954)” | EvenEven on drive: all two-wheel drive. |
| Which is newer, and what about parts? | 1961–1968 | 1950–1954 | Ahead (a fact, not an advantage)The International Harvester Farmall 504 is newer: production began 11 years later. We hold no parts-availability data, so there is no call on parts. |
What does this mean in plain words?
- The International Harvester Farmall 504 has 67% more hydraulic flow (18.2 L/min / 4.8 gpm) than the Nuffield DM-4 (both pump flow, as stated by the source).
- The International Harvester Farmall 504 is newer: production began 11 years later. We hold no parts-availability data, so there is no call on parts.
- Even on weight (both unladen weight, as stated by the source): the difference is under the 10% threshold, too small to call.
- Even on forward gears (both forward gears, as stated by the source): the figures vary by configuration and the ranges overlap.
- Even on top speed (both top speed forward, as stated by the source): the difference is under the 10% threshold, too small to call.
- Even on PTO speeds: the same speeds (540 rpm).
- Even on PTO independence: every PTO is dependent.
- Even on drive: all two-wheel drive.
- Not comparable on power at the PTO shaft: the Farmall 504 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft; the DM-4 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft.
- No figure on record for every machine, so no call on: fuel efficiency at the shaft, drawbar power, three-point lift, maximum permissible mass and a creeper range.
← Every figure for both machines, side by side, with sources