- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1974–1978
- 132 built
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
Hermann Lanz D 634 specs: hp, weight, years
MWM D 226-2 two-cylinder diesel. The manufacturer claimed 33.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
33.4 hp
24.9 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “HELA D634”, 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.
- Weight
- 3,924 lb
- 3-point lift
- 4,079 lb
- Top speed
- 17.5 mph
Hermann Lanz D 634 specs: key facts
The Hermann Lanz D 634 was built from 1974 to 1978.
The Hermann Lanz D 634 has a claimed engine power (gross or net not stated) of 24.9 kW (33.4 hp); it has no measured PTO figure.
The Hermann Lanz D 634 is two-wheel drive (2WD).
The Hermann Lanz D 634 has a MWM D 226-2 engine, a 2-cylinder 2.08 L diesel unit.
The Hermann Lanz D 634 weighs 1,780 kg (3,924 lb) unladen.
The Hermann Lanz D 634 has an independent rear PTO running at 580/1120 rpm.
The three-point hitch of the Hermann Lanz D 634 lifts 1,850 kg (4,079 lb) at the lower-link ends.
Source · Traktorenlexikon, “HELA D634”
How does the D 634 compare with its class?
- Strength:
A three-point lift at the lower links of 1,850 kg is high for its class — 54% above the median of 1,200 kg across the 72 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 149 comparable records. How we work this out
How much horsepower does a D 634 have?
The only figure for the D 634 is 33.4 hp (24.9 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “HELA D634”
What engine is in a D 634?
A D 634 has an MWM D 226-2, a 2-cylinder 2.08 L diesel engine.
| Make & model | MWM D 226-2 |
|---|---|
| Cylinders | 2, liquid-cooled |
| Displacement | 126.8 ci · 2.08 L |
| Electrical system | 12 V |
Source · Traktorenlexikon, “HELA D634”
How much will a D 634 lift?
A D 634 lifts 4,079 lb (1,850 kg) at the lower-link ends of its Category 1 three-point hitch.
| Hitch category | Category 1 |
|---|---|
| Lift at ends | 4,079 lb · 1,850 kg |
| Rear PTO | Independent, engine-driven, 580/1120 rpm |
Source · Traktorenlexikon, “HELA D634”
What transmission does a D 634 have?
Transmission specifications for the D 634 are below.
| Steering | Dust and oil-tight sealed worm steering running in oil bath |
|---|---|
| Top speed | 17.5 mph · 28.1 km/h |
Source · Traktorenlexikon, “HELA D634”
How much does a D 634 weigh?
A D 634 weighs 3,924 lb (1,780 kg) unladen.
| Unladen weight | 3,924 lb · 1,780 kg |
|---|---|
| Wheelbase | 81.9 in · 2,080 mm |
| Length | 129.9 in · 3,300 mm |
| Width | 59.8 in · 1,520 mm |
| Height | 51.2 in · 1,300 mm |
| Ground clearance | 13.0 in · 330 mm |
| Front track | 49.2–59.1 in · 1,250–1,500 mmWikibooks gives one track for both axles; the article lists alternatives |
| Rear track | 49.2–59.1 in · 1,250–1,500 mmWikibooks gives one track for both axles; the article lists alternatives |
Source · Traktorenlexikon, “HELA D634”
Which tractors compare with a D 634?
Within 10% of its 33.4 hp of claimed engine power, the same type, and first built within 15 years of it.
- Fendt Farmer 1D33.4 hp engine, claimed · 1971–1974Side by side with the D 634 →
- Lamborghini R-235 (DT)34 hp engine, claimed · 1972–1989Side by side with the D 634 →
- SAME Delfino 35 (DT)34 hp engine, claimed · 1972–1981Side by side with the D 634 →
- Fiat 400 V/E34 hp engine, claimed · 1968–1971Side by side with the D 634 →
- SOMECA 400 (DT)34 hp engine, claimed · 1968–1971Side by side with the D 634 →
- SOMECA 400 V/E34 hp engine, claimed · 1968–1971Side by side with the D 634 →
Common questions about the Hermann Lanz D 634
Is a D 634 two-wheel drive or four-wheel drive?
The Hermann Lanz D 634 is two-wheel drive (2WD).
What PTO does a D 634 have?
A D 634 has a independent 580/1120 rpm rear PTO.
What serial numbers does a D 634 carry?
The source prints serial numbers 634 001 to 634 132.
Sources and how this page was built
Compiled from Traktorenlexikon, “HELA D634”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: HELA D634 — CC BY-SA 4.0, WIKIBOOKS-TL-83505 · revision 791726. Wikibooks contributors (Traktorenlexikon). Original document