Tamiya 58280 TXT-1 TAMIYA XTREME TRUCK: ladder-frame 1/8 monster truck built for visible drivetrain performance
Chassis architecture and general layout
The TXT-1 uses an aluminium ladder-frame chassis to emulate full-size monster truck structure. Twin motors are arranged in parallel and drive a prop shaft to both axles; the gearbox provides a two-level reduction to keep the drivetrain compact. The kit contains parts for four-wheel steering and an extra servo saver, indicating emphasis on mechanical hardware rather than bundled electronics.
Suspension and steering mechanics
Rigid solid-axle suspension with cantilever linkages and multi-link attachments creates a very large articulation envelope compared with smaller independent systems. Steering servos mount close to the axles for short, direct linkage runs, and steering tie rods are split into two segments to align with heavy-duty geometry.
Powertrain and drivetrain description
The TXT-1 is intended to use two type 540 motors driving a shaft-driven 4WD system with bevel differentials at both ends. A 3-step speed controller appears in the original specification as a referenced ESC type; the kit itself focuses on mechanical layout and gearbox design rather than including motor electronics.
Scale presence and mechanical character
At about 510 mm long with oversize tyres and a wide stance, the TXT-1 projects the bulk and mechanical feel of a classic monster truck. The combination of an aluminium frame, 4-link rigid mounts and long-travel CVA dampers produces both an imposing display model and a chassis suited to heavy off-road impacts.
Suitability for builders and collectors
Presented as a parts-rich assembly kit, the TXT-1 is aimed at seasoned hobbyists who appreciate exposed drivetrain elements and structural detail. It is equally appealing to collectors who enjoy large-scale, mechanically faithful models.
Specifications
- Label: Tamiya 58280 TXT-1 TAMIYA XTREME TRUCK
- Scale: 1/8
- Overall length: 510 mm
- Overall width: 385 mm
- Overall height: 297 mm
- Minimum clearance: 49 mm
- Weight fully equipped: 5,010 g (as described with sample equipment)
- Wheelbase: 330 mm
- Tread (f/r): 280 mm
- Chassis material: Aluminum
- Chassis type: Ladder frame
- Steering tie rods: Divided in two segments
- Suspension (f/r): 4-link rigid
- Caster angle (f/r): 0 deg.
- Camber angle (f/r): 0 deg.
- Toe angle (f/r): 0 deg.
- Dampers (f/r): CVA damper
- Drive train: Shaft drive 4WD
- Gear ratio: 34:1
- Motors: (2) type 540
- Diff gear system (f/r): 3 bevel diff
- Electronic Speed Control (ESC): Not Included
- Tire width (f/r): 106 mm
- Tire diameter (f/r): 165 mm
- Tire pattern (f/r): Lug pattern
This kit delivers a combination of scale presence and robust mechanical detail, making it best for builders focused on assembly and drivetrain authenticity.