The DLE-120 Twin Gas Engine is a powerhouse designed for large-scale RC aircraft and precision aerobatics. Delivering an incredible 12 horsepower and up to 50 lb of static thrust, this 120cc twin-cylinder engine provides the brute strength needed for extreme 3D manoeuvres, high-energy aerobatics, and effortless vertical performance.

Its opposed twin-cylinder design significantly reduces vibration, ensuring smoother operation, less airframe stress, and longer component life. Exceptional efficiency, precision CNC engineering, and DLE’s proven reliability make the DLE-120 one of the most popular engines in the 100–120cc class.

Complete with dual mufflers, electronic ignition, standoffs, and hardware, the DLE-120 offers unbeatable performance and outstanding value in its category. Whether you're flying IMAC, 3D, or giant-scale warbirds, the DLE-120 provides serious thrust with confidence-inspiring smoothness.

Key Features

• Produces an impressive 12 hp @ 7,500 RPM

• Up to 50 lb static thrust for extreme 3D and large-scale models

• Opposed twin-cylinder layout for reduced vibration and longer engine life

• CNC-machined parts for high precision and durability

• Lightweight design in the 120cc class

• Includes dual mufflers, electronic ignition and standoffs

• Excellent power-to-weight performance

• Compatible with a wide range of large propellers

• Smooth running, efficient, and extremely reliable

Perfect For

• Large-scale aerobatic aircraft

• Giant-scale 3D models

• IMAC competition aircraft

• 100–120cc warbirds

• Pilots seeking maximum smoothness, reliability, and power

Product Summary

A high-power 120cc opposed twin petrol engine delivering exceptional thrust, smooth operation, and unbeatable performance for giant-scale RC aircraft. Includes ignition, mufflers and hardware.

Specifications

• Stock Number: DLEG0120

• Displacement: 120.0 cc (7.3 cu in)

• Bore: 47 mm (1.85 in)

• Stroke: 35 mm (1.38 in)

• Total Weight: 2781 g (6.13 lb)

• Output: 12 hp @ 7,500 RPM

• Fuel: Unleaded petrol + 2-cycle oil (30:1 mix)

• Ignition Battery: 4.8–8.4 V NiCd/NiMH, 6.6 V LiFe, or 2S LiPo

• Replacement Spark Plug: DLEG1326

Static Thrust:

• Up to ~50 lb (manufacturer class rating)

• Additional measured reference:

  • 20.9 lb @ 328 ft

  • 18.7 lb @ 1,800 ft

Suggested Propellers:

• 26×10

• 26×12

• 27×10

• 28×10

Weight Breakdown:

• Engine: 2306 g (5.08 lb)

• Muffler 1: 103 g (3.6 oz)

• Muffler 2: 111 g (3.9 oz)

• Ignition Module: 149 g (5.3 oz)

• Miscellaneous: 112 g (4 oz)

Included in the Box

• DLE-120 Twin Gas Engine

• Electronic ignition module

• Dual mufflers

• Spark plugs

• Standoffs

• Spiral wire wrap

• Connector safety clips

• Hardware pack

• Instruction manual

Why Buy From ProBuild Aircraft Ltd

• ✅ Official UK DLE Stockist – 100% Genuine Engines

• ✅ Trusted by Top International RC Pilots

• ✅ Fast UK Shipping & Secure Packaging

• ✅ Expert Petrol Engine Support & Setup Advice

• ✅ Trusted by Pilots Since 1993