- Vehicle type: unspecified
- Rigid chassis
- WhichTractor size: Utility
- No lab test on file
- 1938
- 94 built
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
We looked and the record does not say what this machine is. How we decide what a machine is
HELA D 38 specs: hp, weight, years
KHD F2M 414 two-cylinder diesel. The manufacturer claimed 21.6 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
21.6 hp
16.1 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “HELA D38 (1938)”, 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
- 3,527 lb
- Top speed
- 12.4 mph
HELA D 38 specs: key facts
The HELA D 38 was built in 1938.
The HELA D 38 has a claimed engine power (gross or net not stated) of 16.1 kW (21.6 hp); it has no measured PTO figure.
The HELA D 38 is two-wheel drive (2WD).
The HELA D 38 has a KHD F2M 414 engine, a 2-cylinder 2.20 L diesel unit.Source 1
The HELA D 38 weighs 1,600 kg (3,527 lb) unladen.
The HELA D 38 has a rear PTO running at 550 rpm.
Source · Traktorenlexikon, “HELA D38 (1938)”
How does the D 38 compare with its class?
- Strength:
A maximum engine torque of 120 N·m is high for its class — 39% above the median of 86.1 N·m across the 48 machines within 10% of its power that hold this figure.
Derived by WhichTractor from 89 comparable records. How we work this out

How much horsepower does a D 38 have?
The only figure for the D 38 is 21.6 hp (16.1 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “HELA D38 (1938)”
What engine is in a D 38?
A D 38 has a KHD F2M 414, a 2-cylinder 2.20 L diesel engine.
| Make & model | KHD F2M 414 |
|---|---|
| Cylinders | 2, liquid-cooledSource 2 |
| Displacement | 134.1 ci · 2.20 L |
| Max torque | 88 lb·ft · 120 N·mSource 2 |
| Electrical system | 6 VSource 2 |
Source · Traktorenlexikon, “Fahr D 22”
How much will a D 38 lift?
Hydraulic and PTO specifications for the D 38 are below.
| Rear PTO | transmission-driven, 550 rpm |
|---|
Source · Traktorenlexikon, “HELA D38 (1938)”
What transmission does a D 38 have?
Transmission specifications for the D 38 are below.
| Clutch | Single-plate dry clutch by Lanz or Fichtel & Sachs |
|---|---|
| Steering | Dust and oil tight enclosed worm steering |
| Top speed | 12.4 mph · 20 km/h |
Source · Traktorenlexikon, “HELA D38 (1938)”
How much does a D 38 weigh?
A D 38 weighs 3,527 lb (1,600 kg) unladen.
| Unladen weight | 3,527 lb · 1,600 kg |
|---|---|
| Wheelbase | 70.9 in · 1,800 mm |
| Length | 114.2 in · 2,900 mm |
| Width | 60.6 in · 1,540 mm |
| Height | 61.0 in · 1,550 mm |
| Ground clearance | 14.2 in · 360 mm |
| Front track | 50.4–57.5 in · 1,280–1,460 mmWikibooks gives one track for both axles; the article lists alternatives |
| Rear track | 50.4–57.5 in · 1,280–1,460 mmWikibooks gives one track for both axles; the article lists alternatives |
| Turning radius, braked | 4.1 ft · 1.25 m |
Source · Traktorenlexikon, “HELA D38 (1938)”
Which tractors compare with a D 38?
Within 10% of its 21.6 hp of claimed engine power, the same type, and first built within 15 years of it.
- Josef Krümpel K 2221.6 hp engine, claimed · 1938–1950Side by side with the D 38 →
- HELA D 3921.6 hp engine, claimed · 1939Side by side with the D 38 →
- HELA D 4021.6 hp engine, claimed · 1939–1943Side by side with the D 38 →
- J.I. Case Modell-S21.6 hp engine, claimed · 1941–1952Side by side with the D 38 →
- Lanz D 651121.6 hp engine, claimed · 1931–1935Side by side with the D 38 →
- Lanz D 6520/II21.6 hp engine, claimed · 1931–1935Side by side with the D 38 →
Common questions about the HELA D 38
Is a D 38 two-wheel drive or four-wheel drive?
The HELA D 38 is two-wheel drive (2WD).
What PTO does a D 38 have?
A D 38 has a 550 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “HELA D38 (1938)”; and Traktorenlexikon, “Fahr D 22”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: Fahr D 22 — CC BY-SA 4.0, WIKIBOOKS-TL-49043 · revision 990478. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: HELA D38 (1938) — CC BY-SA 4.0, WIKIBOOKS-TL-100431 · revision 787574. Wikibooks contributors (Traktorenlexikon). Original document