International Harvester D-322 (MC Cormick-International) or ZETOR 2511?
Which should you choose?
The data can’t decide this. Power at the PTO shaft cannot be compared: the D-322 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft; the 2511 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft.
- The International Harvester D-322 suits loader and hydraulic implement work better on this data: 88% (700 kg / 1,543 lb) more three-point lift.
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 | D-322 | 2511 | Call |
|---|---|---|---|
| Which puts more power through the PTO shaft? | 16.2 kW (21.7 hp)Traktorenlexikon, “McCormick D-322” | 16.9 kW (22.7 hp)Traktorenlexikon, “Zetor 2511” | Not comparableNot comparable on power at the PTO shaft: the D-322 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft; the 2511 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 D-322 and the 2511. |
| Which pulls harder at the drawbar? | — | — | No figureNo call on drawbar power: no figure on record for the D-322 and the 2511. |
| Which pumps more oil for implements? | — | 20.0 L/min (5.3 gpm)Traktorenlexikon, “Zetor 2511” | No figureNo call on hydraulic flow: no figure on record for the D-322. |
| Which lifts more on the three-point hitch? | 1,500 kg (3,307 lb)Traktorenlexikon, “McCormick D-322” | 800 kg (1,764 lb)Traktorenlexikon, “Zetor 2511” | AheadThe International Harvester D-322 has 88% more lift (700 kg / 1,543 lb) than the ZETOR 2511 (both lift at the hitch ends, as stated by the source). |
| Which is heavier, for traction? | 1,526 kg (3,364 lb)Traktorenlexikon, “McCormick D-322” | 1,340 kg (2,954 lb)Traktorenlexikon, “Zetor 2511” | Ahead (a fact, not an advantage)The International Harvester D-322 is 14% heavier (186 kg / 410 lb) than the ZETOR 2511 (both unladen weight, as stated by the source). |
| Which may carry more ballast and load? | — | — | No figureNo call on maximum permissible mass: no figure on record for the D-322 and the 2511. |
| Which has the wider choice of gears? | 6 to 8Traktorenlexikon, “McCormick D-322” | 10Traktorenlexikon, “Zetor 2511” | EvenEven on forward gears (both forward gears, as stated by the source): the difference is under the 25% threshold, too small to call. |
| Which offers a creeper range? | YesTraktorenlexikon, “McCormick D-322” | — | No figureNo call on a creeper range: not stated for the 2511. |
| Which is faster on the road? | 20 km/h (12.4 mph)Traktorenlexikon, “McCormick D-322” | 20 km/h (12.4 mph)Traktorenlexikon, “Zetor 2511” | 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, “McCormick D-322” | 540 rpmTraktorenlexikon, “Zetor 2511” | EvenEven on PTO speeds: the same speeds (540 rpm). |
| Which PTO runs independently of the ground drive? | dependent (stops with the clutch)Traktorenlexikon, “McCormick D-322” | independentTraktorenlexikon, “Zetor 2511” | AheadThe ZETOR 2511 has an independent PTO; the International Harvester D-322’s is dependent (stops with the clutch). |
| Which drives on both axles? | 2WDTraktorenlexikon, “McCormick D-322” | 2WDTraktorenlexikon, “Zetor 2511” | EvenEven on drive: all two-wheel drive. |
| Which is newer, and what about parts? | 1962–1965 | 1968–1975 | Ahead (a fact, not an advantage)The ZETOR 2511 is newer: production began 6 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 D-322 has 88% more lift (700 kg / 1,543 lb) than the ZETOR 2511 (both lift at the hitch ends, as stated by the source).
- The International Harvester D-322 is 14% heavier (186 kg / 410 lb) than the ZETOR 2511 (both unladen weight, as stated by the source).
- The ZETOR 2511 has an independent PTO; the International Harvester D-322’s is dependent (stops with the clutch).
- The ZETOR 2511 is newer: production began 6 years later. We hold no parts-availability data, so there is no call on parts.
- Even on forward gears (both forward gears, as stated by the source): the difference is under the 25% threshold, too small to call.
- 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 drive: all two-wheel drive.
- Not comparable on power at the PTO shaft: the D-322 has only engine power (gross or net not stated), claimed — a different quantity from power at the shaft; the 2511 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, hydraulic flow, maximum permissible mass and a creeper range.
← Every figure for both machines, side by side, with sources