TRAXXAS TRX4 Steel Adjustable Main Shaft TRX4037SAN by GPM  [TRX4037SAN]

TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN
Price:
USD$33.90
Brand:
GPM
Model:
TRX4037SAN
GTIN:
4894538281576
Condition:
Brand New
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alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"
alt="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN" title="TRAXXAS TRX4 TRAIL CRAWLER Steel Adjustable Main Shaft With Alloy Body - 14pc set - GPM TRX4037SAN"

Engineering overview for TRX4 adjustable shaft

The TRX4037SAN kit is an aftermarket upgrade for TRAXXAS TRX4 Trail Crawler platforms, supplying a steel adjustable main shaft with an alloy outer sleeve and the included silicone o-rings and M4 screw shafts. The universal swing-shaft cross head allows increased steering and crawling angles, while the pinned head reduces the risk of component runout or loosening during sustained articulation.

Measured shaft lengths include front and rear adjustable ranges so installers can precisely tune wheelbase and axle offset for optimal clearance and roll characteristics. Silicone o-rings provide a compliant interface to minimize direct metal contact and reduce abrasive wear at high articulation angles.

Packing includes

  • 4x1 White Silicone O-Ring - 4pcs
  • 4x2.5 White Silicone O-Ring - 4pcs
  • M4x2.5x11 Screw Shaft - 4pcs

Specifications

  • Item: Steel Adjustable Main Shaft with Alloy Body, 14pcs set
  • Material: Steel main shaft, alloy outer body, silicone o-rings
  • Model Number: TRX4037SAN
  • Compatibility: TRAXXAS TRX4 Trail Crawler

Recommended for builders who need to refine axle placement and steering geometry on TRX4 crawlers while maintaining durable mechanical contact interfaces.

How does the pinned head improve reliability?

The pinned head secures the cross head to the shaft, reducing relative motion at the joint and lowering the chance of fastener backing out under cyclic articulation.

What maintenance is recommended for longevity?

Periodic inspection of the silicone o-rings, verification of pin seating, and ensuring screw torque are maintained will preserve function and reduce wear.

Can I tune axle offset without replacing axles?

Yes. The adjustable ranges for front and rear allow axle offset and wheelbase tuning without changing axle housings, enabling chassis clearance and handling adjustments.

Is the supplied hardware adequate for race or trial use?

The included M4 screw shafts and o-rings are specified for correct fit; verify fastener torque and inspect components regularly under heavy use conditions.