TRX-4 CRAWLER KIT
TRX-4® Unassembled Kit: 4WD Chassis with TQi™ Traxxas Link™ Enabled 2.4GHz Radio System
Easy to follow full-color assembly manual
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- True-to-scale part illustrations and ruler charts
- Helpful assembly tips and clear illustrations
- Body sold separately
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Trail-tuned XL-5 HV Waterproof Electronic Speed Control
- Fully waterproof design
- Five drive profiles
- Sport Mode — forward / brake / reverse
- Race Mode — forward / brake / no reverse
- Training Mode™ - 50% forward / 100% brake / 50% reverse (patented)
- Trail Mode — forward / brake / reverse / with trail-tuned drag brake in neutral
- Crawl Mode — forward / instant reverse - no neutral with 100% hill holding brake
- Traxxas EZ-Set® one-button setup
- Large, efficient heat sink
- Wide voltage latitude 6–7 cell NiMH (7.2–8.4V) and 2–3S LiPo (7.4–11.1V)
- Two stage low voltage protection (LVD)
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Titan 550 Motor
- Powerful Titan™ 21T reverse rotation motor with internal cooling fan
- Precision, preset gear mesh adjustments
- Motor retention separate from gear mesh
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Portal Axles
- Increase ground clearance
- Eliminate torque twist
- Steel gears
- Improve axle geometry and reduce strain on driveshafts
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Transmission
- Two speed high/low range with remote shifting
- Dual horizontal shafts
- Twin friction plate slipper clutch
- Easily removed for servicing
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TQi™ 2.4GHz Radio System
- TQi 4-channel transmitter
- 5-channel micro receiver (#6533) with fail-safe security and integrated telemetry ports
- Compatible with optional TQi Traxxas Link Wireless Module (#6511) to access full Traxxas Link app functionality (sold separately)
- Automatically stores and loads settings for up to 30 Traxxas Link enabled models
- Exclusive Cruise Control feature for extended trail driving
- Adjustable steering and throttle sensitivity (exponential)
- Adjustable steering and throttle endpoints
- Patented waterproof receiver box with easy-access plug
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Rigid Steel Frame
- 1.5 mm thick steel frame rails increase torsional rigidity
- Innovative design allows four wheelbase positions (300 mm, 312 mm, 324 mm, 336 mm)
- Adjustable rear shock tower positions for SWB and LWB configurations
- Bumpers adjust fore and aft
- Rugged rock rails adjust for width
- Wire routing clips integrated into frame rails
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Innovative Battery Compartment
- Hinged battery strap allows quick and easy battery access
- No pins to lose
- Accommodates different height batteries
- Accepts full-size long battery packs
- Integrated compartment accepts smaller 1/16 scale batteries (with optional strap)
- Secondary front battery tray accepts smaller 1/16 scale batteries (with optional strap)
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Drivetrain
- Full-time shaft driven 4-wheel drive
- Tough 6 mm stub axles
- Steel front CV driveshafts
- Hardened steel rear axle shafts
- Remote locking steel gear differentials with cable-actuation
- Steel gear transfer case
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Steering
- Chassis mounted 2075X metal gear digital servo
- Superior 45° steering angle
- Direct steering (no servo saver)
- Steering geometry corrected for bump steer
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Suspension
- Front — 3 link with panhard
- Rear — Triangulated 4 link
- Heavy-duty rod ends with steel hollow balls
- 5 mm diameter steel link rods with 4mm threaded ends
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Pre-assembled aluminum GTS Shocks
- Coilover GTS shocks exclusive to TRX-4 chassis
- Silver-anodized aluminum bodies
- Threaded bodies with collars easily adjust ride height
- Silky smooth damping for the toughest trails
- O-ring cap seal and dual X-ring shaft seals
- Shock oil included in kit
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Wheels and Tires
- 1.9” Canyon Trail tires with trail-tuned foam inserts
- Tough black scale wheels
- Trail tuned S1 rubber compound
- 12 mm steel hex
- Tire glue required
- Sealed Ball Bearings
- Hex hardware with rust-resistant black oxide coating
- Requires Battery and Charger (Sold Separately)
Model Specs
| Model Name: | TRX-4 Crawler Kit |
|---|---|
| Model Type: | Trail / Crawler |
| Model Skill Level: | 2 |
| Scale: | 1/10 |
| Weight: | 6.42 pounds (2.91 kg) |
| Length: | 20.57 inches (523 mm) |
| Width: | 9.78 inches (249 mm) |
| Front Track: | 9.78 inches (249 mm) |
| Rear Track: | 9.78 inches (249 mm) |
| Height: | 10.47 inches (266 mm) |
Motor Specs
| Motor Name: | Titan® 21T Reverse Rotation |
|---|---|
| Motor Type: | High-torque brushed motor |
| Motor Weight: | 8.47 ounces (240 g) |
| Motor Length: | 3.07 inches (78 mm) overall length, 2.25 inches (57 mm) can length |
| Motor Diameter: | 1.53 inches (39 mm) |
| Motor Shaft Size: | 3 mm |
| Motor Connector Type: | Bullet |
ESC Specs
| ESC Name: | XL-5™ HV |
|---|---|
| ESC Type: | Brushed |
| ESC Case Size: | 1.23 inches (31 mm) / 2.18 inches (55 mm) / 1.04 inches (26 mm) |
| ESC Weight: | 2.60 ounces (74 g) |
| Motor Connectors: | Bullet |
| Battery Connectors: | Traxxas High-Current Connector |
| ESC Power Wire: | 14 gauge |
