4202

Best Performance
for Unmanned Aerial
Vehicles (UAV)

Best Performance for Unmanned Aerial Vehicles
(UAV)

BACK TO ALL PRODUCTS

The innovative JET A1 option

The 42 Series air-cooled two-stroke engines are engineered with advanced closed-loop control systems, delivering optimal performance in even the most challenging environmental conditions. Perfect for UAV propulsion systems, these lightweight engines are built to excel where reliability and power matter most.

The latest innovation in the series, the 4202 Heavy Fuel Engine, leads the 15-horsepower class with an exceptional power-to-weight ratio and unmatched performance. Derived from the trusted 4201 gasoline engine, the JET-A1-compatible version has proven its durability and reliability in extensive endurance testing.

Designed for demanding applications, the 42 Series features a high time between overhauls (TBO) and requires minimal maintenance, making it a dependable choice for unmanned aerial vehicles (UAVs), drones, and other systems requiring compact, high-efficiency propulsion solutions.

Upgrade to the 42 Series and experience next-generation heavy fuel engine technology that ensures superior efficiency, reliability, and performance in every mission.

BASIC FACTS

Engine Type

Two Stroke Boxer

Cooling

Air Cooling

Measured Power

12,7 HP

Fuel Type

Kerosene

OPTIONS

3 exhaust styles
Up to 1kW starter/generator
Engine mounting

TECHNICAL SPECIFICATION

Motor	4202
TYPE
Cylinder	Two-Stroke
Starting Device	Starter Generator
Running Direction	CCW
Cooling	Air Cooled
Ignition	Dual
Exhaust	Normal
FUEL
Fuel	Kerosene
MEASUREMENTS		mm	in
Stroke		40,00	1,57
Bore		54,00	2,13
Length		214,50	8,44
Width		351,30	13,83
Height		239,80	9,44
WEIGHT		kg	lbs
Weight without exhaust		8,17	18,01
Weight Exhaust		1,13	2,49
PERFORMANCE	kW	HP	Nm
Power measured (full throttle)	9,22	12,36	13,55
Power measured (best point)	9,22	12,36	13,71
Specific fuel consumption @6500rpm		(g/kWh)	701,83
Specific fuel consumption @best point (70-80% load, 1/2 rated speed)		(g/kWh)	400,52
Speed		RPM	6500

POWER CHART

TECHNICAL DRAWINGS

ENGINE GALLERY

REPOSITORY

Technical Documenation

Our free-of-charge repository of the documentation for this Engine family.

Technical Support System

Looking for spare parts ?

3507 Engine has Heavy Fuel capabilities

Et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident.

CASE STUDY

Our Engines are available through our partners.

From our Sales Office in Austria, we proudly offer the finest European-made Engines to customers worldwide.