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The RC4WD Rock Crusher Monster 40 Series 3.8" Tires are oversized monster truck tires designed for RC enthusiasts looking for aggressive traction, impressive ground clearance, and rugged off-road performance. Featuring a massive 8.26" outer diameter and deep, aggressive tread pattern, these tires are built to tackle challenging terrain while giving your RC monster truck a bold, heavy-duty appearance.
Manufactured using RC4WD's Advanced X4 Medium rubber compound, the Rock Crusher tires offer a balance of flexibility, durability, and traction. Their large contact area and substantial tread blocks help provide grip across dirt, rocks, and other uneven surfaces.
Designed for compatible 40 Series 3.8" wheels, these tires are suitable for various monster truck platforms, including the Traxxas Revo, T-Maxx, HPI Savage, Tamiya Clod Buster, TXT-1, and Juggernaut, when equipped with the appropriate wheels and mounting hardware.
Oversized Monster Truck Design: Massive 8.26" outer diameter provides an aggressive stance and increased ground clearance.
Advanced X4 Medium Compound: RC4WD rubber compound designed to balance traction, flexibility, and durability.
Aggressive Rock Crusher Tread: Deep tread blocks provide traction on challenging off-road surfaces.
40 Series Compatibility: Designed for compatible 3.8" diameter 40 Series monster truck wheels.
Wide Tire Profile: 3.12" width provides a substantial contact patch for off-road driving.
Deep Tread Pattern: Approximately 0.31" tread depth helps provide grip on loose and uneven terrain.
Foam Inserts Included: Includes matching foam inserts for tire support.
Monster Truck Applications: Suitable for compatible large-scale RC monster truck builds and custom conversions.
Manufacturer: RC4WD
Part Number: Z-T0003
Product Name: Rock Crusher Monster
Product Type: Monster Truck Tires
Wheel Size: 40 Series / 3.8"
Rubber Compound: Advanced X4 Medium
Outer Diameter: 8.26" (210mm)
Width: 3.12" (79.2mm)
Inner Diameter: 3.8" (96.52mm)
Tread Depth: 0.31" (8mm)
Weight: 16.76 oz (475g) Per Tire
Quantity: 2 Tires
(2) RC4WD Rock Crusher Monster 40 Series 3.8" Tires
(2) Foam Inserts
Designed for compatible 40 Series wheel setups on RC monster trucks such as:
Traxxas Revo
Traxxas T-Maxx
HPI Savage
Tamiya Clod Buster
Tamiya TXT-1
Tamiya Juggernaut
Note: Wheels and vehicle are not included. Two packages are required to equip a four-wheel vehicle. Compatible 40 Series wheels are necessary for installation. RC4WD confirms compatibility with its matching tire and wheel combinations but cannot guarantee fitment with wheels from other manufacturers. Verify wheel dimensions, hex mounting requirements, and vehicle clearance before purchasing.
This product was added on 10/28/2026 by JM.