O.S. Engines

O.S. Engines Category Image
Quality and performance has made O.S. the standard in RC engines for over 80 years.
Filter
Filter
Clear Filters
  • (1239)
  • (270)
  • (240)
  • (37)
  • (27)
  • (1)
  • (31)
  • (4)
  • (148)
  • (49)
  • (15)
  • (2)
  • (1)
  • (1)
  • (37)
  • (25)
  • (5)
  • (1)
  • (3)
  • (2)
  • (1)
1-24 of 1,814 Results
91HZ-R 3D Speed Helicopter Engine, Black 91HZ-R 3D Speed Helicopter Engine, Black
5 out of 5 Customer Rating
91HZ-R 3D Speed Helicopter Engine, Black
$649.99
O.S.SPEED B2105 O.S.SPEED B2105
4.2 out of 5 Customer Rating
O.S.SPEED B2105
$752.99
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine & Pipe Combo Set O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine & Pipe Combo Set
5 out of 5 Customer Rating
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine & Pipe Combo Set
$799.99
46AXII ABL .46 Airplane Glow Engine with Muffler 46AXII ABL .46 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
46AXII ABL .46 Airplane Glow Engine with Muffler
$203.89
55AX ABL .55 Airplane Glow Engine with Muffler 55AX ABL .55 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
55AX ABL .55 Airplane Glow Engine with Muffler
$225.14
120AX Ringed 1.20 Airplane Glow Engine without Muffler 120AX Ringed 1.20 Airplane Glow Engine without Muffler
4.5 out of 5 Customer Rating
120AX Ringed 1.20 Airplane Glow Engine without Muffler
$354.85
75AX ABL .75 Airplane Glow Engine with Muffler 75AX ABL .75 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
75AX ABL .75 Airplane Glow Engine with Muffler
$343.93
65AX ABL .65 Airplane Glow Engine with Muffler 65AX ABL .65 Airplane Glow Engine with Muffler
4.1 out of 5 Customer Rating
65AX ABL .65 Airplane Glow Engine with Muffler
$269.06
O.S. FS-64V (61T2) with F-4051 Silencer O.S. FS-64V (61T2) with F-4051 Silencer
5 out of 5 Customer Rating
O.S. FS-64V (61T2) with F-4051 Silencer
$464.99
120AX Ringed 1.20 Airplane Glow Engine with Muffler 120AX Ringed 1.20 Airplane Glow Engine with Muffler
3.4 out of 5 Customer Rating
120AX Ringed 1.20 Airplane Glow Engine with Muffler
$381.12
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine
4.9 out of 5 Customer Rating
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine
$649.99
15LA ABN .15 Airplane Glow Engine with Muffler 15LA ABN .15 Airplane Glow Engine with Muffler
5 out of 5 Customer Rating
15LA ABN .15 Airplane Glow Engine with Muffler
$131.99
FSa-72II Airplane Engine with F-5030 Silencer FSa-72II Airplane Engine with F-5030 Silencer
3.6 out of 5 Customer Rating
FSa-72II Airplane Engine with F-5030 Silencer
$637.99
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx 21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
5 out of 5 Customer Rating
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
$374.18
Sale
R21 1/8 On-Road Club Racer Engine R21 1/8 On-Road Club Racer Engine
5 out of 5 Customer Rating
R21 1/8 On-Road Club Racer Engine
$309.03 Price reduced from $441.47 to
Inventory Reduction Sale ⓘ
GF30 II 30cc 4-Stroke Gas Engine with Ignition Module GF30 II 30cc 4-Stroke Gas Engine with Ignition Module
5 out of 5 Customer Rating
GF30 II 30cc 4-Stroke Gas Engine with Ignition Module
$879.99
95AX Ringed .95 Airplane Glow Engine with Muffler 95AX Ringed .95 Airplane Glow Engine with Muffler
5 out of 5 Customer Rating
95AX Ringed .95 Airplane Glow Engine with Muffler
$381.99
O.S. Speed R2104 1/8 Scale Engine with T-2080SC II Silencer Set O.S. Speed R2104 1/8 Scale Engine with T-2080SC II Silencer Set
5 out of 5 Customer Rating
O.S. Speed R2104 1/8 Scale Engine with T-2080SC II Silencer Set
$842.36
O.S. Speed R2104 1/8 Scale Engine O.S. Speed R2104 1/8 Scale Engine
4.2 out of 5 Customer Rating
O.S. Speed R2104 1/8 Scale Engine
$737.11
FSa-56II Airplane Engine with F-4040 Silencer FSa-56II Airplane Engine with F-4040 Silencer
4.4 out of 5 Customer Rating
FSa-56II Airplane Engine with F-4040 Silencer
$527.99
GF40 40cc 4-Stroke Gas Airplane Engine with Muffler GF40 40cc 4-Stroke Gas Airplane Engine with Muffler
3.1 out of 5 Customer Rating
GF40 40cc 4-Stroke Gas Airplane Engine with Muffler
$799.99
FS155-a Alpha Series 1.55 4-Stroke Pumped Engine FS155-a Alpha Series 1.55 4-Stroke Pumped Engine
3.9 out of 5 Customer Rating
FS155-a Alpha Series 1.55 4-Stroke Pumped Engine
$659.99
GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler
5 out of 5 Customer Rating
GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler
$508.76
O.S. Speed T1204 Touring Engine O.S. Speed T1204 Touring Engine
3.1 out of 5 Customer Rating
O.S. Speed T1204 Touring Engine
$621.55
Clear All

HORIZON HOBBY, WHERE RC MEMORIES LIVE.

Who We Are.

At Horizon Hobby, our personal goal is to inspire dreams and build memories. We take pride in providing the best hobby store experience for our customers, whether that’s online, at RC events, or in the RC community with RC cars, RC planes, RC boats, and so much more.

Our Values.

Our purpose is simple: deliver WOW moments. By pursuing the best experience through our portfolio of RC cars, helicopters, airplanes, boats, and more, we bring the RC community together in every city, town, and country. We are radio control innovators and Driven is our middle name.

Our Promise.

Our promise to our customers is creating one-of-a-kind experiences that keeps you coming back for more. We are more than an online hobby store. Our RC cars and trucks, RC airplanes and helicopters, and other radio control products are with you at home, on the go, and with your friends. We bring the fun.

Our policies are top notch:
Same Day Shipping
Free Shipping Over $99
Expert Product Support
Easy Returns
Sign up for Horizon Hobby Text Alerts!

Never miss out - text HOBBY to 44721Learn More

Shop
Support
Company Info
Legal
Copyright 2025 © Horizon Hobby, LLC