21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
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21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx

Item No.
OS Engines - OSMG2083
5
$374.18
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Product $374.18
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Estimated Total: $374.18
Estimated Total: $374.18
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A performance boost for one of R/C's most popular trucks!

Boost the 4WD performance power in your Traxxas® T-Maxx™ with the 21TM engine from O.S.! It's the perfect upgrade for your monster masher – because it's a direct fit for Traxxas EZ-Start® or pull-start systems, as is the manifold and clutch assembly!
O.S. Two Year Limited Warranty
  • The 21TM adds more power and displacement than the 18TM – and without modification!
  • Retrofits into the same mounting pattern, and the Traxxas clutch assembly bolts right on.
  • The special manifolds adapt perfectly to existing pull-start or EZ-Start® systems.
  • Reliable, lightweight and easy to operate – and both include a 3-needle carb for more precise tuning and an LC3 glow plug.
  • Adapts perfectly to the Traxxas E-Z Start or pull-start systems with no modifications
  • Included manifold is specially designed to fit directly into the T-Maxx
  • Traxxas' clutch assembly bolts right to the crankshaft with no modifications
  • Oversized cooling fins on crankcase helps to keep engine cooler
  • Three needle slide valve carburetor with fins to help cool the fuel as it enters the engine
  • High-performance long reach O.S. glow plug suitable for off-road applications that require constantly varying speed
  • Two year limited warranty

Product Specs

Cylinders
Single
Product Width
1.5 in (39 mm) at mounting tabs
Total Weight
8.57 oz (243 g)
Bore
0.669 in (17 mm)
Crankshaft Type
Threaded
Power Type
Glow
Plug Type
LC3
Stroke
0.590 in (15 mm)
Product Length
2.1 in (53.6 mm) from backplate to drive hub
Displacement
0.213 cu in (3.49 cc)
Product Height
4 in (101 mm)
RPM Range
3,000 - 35,000 rpm
Crankshaft Threads
M7x1

Product Details

icon-box
In The Box
  • One O.S. Max 21TM Engine with T-Maxx Manifold
  • LC3 glow plug
  • 11K slide valve carburetor
  • exhaust gasket
  • manifold spring
  • instruction manual
icon-how-to
Needed to Complete
  • Installing in vehicle
  • Air filter
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx