This is the O.S. Max 21TM Engine with T-Maxx Manifold. Direct fit for the 2.5 and 3.3 Traxxas T-Maxx monster trucks.

 *** TWO YEAR LIMITED WARRANTY ***

Features:

  • 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
Includes:

  • One O.S. Max 21TM Engine with T-Maxx Manifold
  • LC3 glow plug
  • 11K slide valve carburetor
  • Exhaust gasket
  • Manifold spring and instruction manual
Requires:

  • Installing in vehicle
  • Air filter

Specifications:

  • Displacement: 0.21 cu in (3.4cc)
  • Bore: 0.669" (17mm)
  • Stroke: 0.590" (15mm)
  • Practical RPM: 3,000 - 35,000 RPM
  • Output: 1.8 PS, 1.77 HP/29,000 RPM
  • Weight: 8.57oz (243g)