The Global Marketplace
for High-Performance
2-Stroke Engines

Our credo

Reliability. Performance. Flexibility.

With nearly a Century of Pioneering Technology, Trusted Service, and Market Leadership Rooted in Aviation, we’ve built a Legacy of Reliability and enduring Performance.
We offer

The Complete Range of Hirth Engines at One Place

23 Series

2301

Power that lifts.
Endurance that lasts.
For every UAV mission.
PERFORMANCE:
49 HP (36.0 kW)
WEIGHT:
30.20 kg (66.5 lbs)
DISPLACEMENT:
521 cm3

2302

The gold standard
in 50-horsepower
benchmark.
PERFORMANCE:
49 HP (36.0 kW)
WEIGHT:
30.20 kg (66.5 lbs)
DISPLACEMENT:
521 cm3

35 Series

3503

Engineered to deliver
high power with
low weight.
PERFORMANCE:
70 HP (51.6 kW)
WEIGHT:
33.50 kg (74 lbs)
DISPLACEMENT:
625 cm3

3507

Proven at sea.
Built for performance
& reliability.
PERFORMANCE:
57 HP (42.3 kW)
WEIGHT:
33.50 kg (74 lbs)
DISPLACEMENT:
625 cm3

42 Series

4201

Unmatched
power-to-weight
for UAV propulsion.
PERFORMANCE:
13.6 HP (10.14 kW)
WEIGHT:
7.14 kg (15.74 lbs)
DISPLACEMENT:
183 cm3

4202

Jet Fuel ready
in unbeatable
size.
PERFORMANCE:
12.7 HP (36.0 kW)
WEIGHT:
8.17 kg (18 lbs)
DISPLACEMENT:
183 cm3

41 Series

4103

Ready for extreme
environmental
conditions.
PERFORMANCE:
6.76 HP (4.97 kW)
WEIGHT:
4.00 kg (8.82 lbs)
DISPLACEMENT:
103 cm3
Global Sales Network

We operate from Austria, sell globally.

We are expanding

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2-Stroke Engines to Your
Customers?

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    Hirth Engines is globally recognized for its innovative 2-stroke engines, offering unmatched engineering solutions and industry-leading performance. Known for precision and reliability,

    © 2026 HIRTH ENGINES GMBH. HIRTH ENGINES® IS A REGISTERED TRADEMARK OF THE UMS AERO GROUP.