Traxxas 77097-4-GRNX X-Maxx Ultimate 8S 4WD Monster Truck Green

The Traxxas 77097-4-GRNX X-Maxx Ultimate in Green is the ultimate evolution of the legendary 1/5-scale monster truck. Fully loaded with premium upgrades, this beast is built for extreme 8S brushless power, unmatched toughness, and race-ready control.

The Ultimate edition includes aluminum upgrades, heavy-duty suspension components, self-righting tech, and telemetry-ready electronics. Powered by a VXL-8s ESC and 1200XL Big Block motor, it rockets across terrain with torque and 50+ mph speeds using two 4S LiPo batteries and optional gearing, sold separately.

In The Box

• X-Maxx Ultimate, Ready-To-Race model with Traxxas Big Block brushless motor
• VXL-8s waterproof electronic speed control with integrated telemetry
• Quick Start Guide
• TQi 2.4 GHz radio system with factory-installed wireless module
• High quality maintenance tools

Needed to Complete

• Batteries: Traxxas recommends dual 4-Cell, 6700 mAh Power Cell LiPo batteries (part 2890X) or the Dual 4S Completer Pack (part 2997).
• Charger: 4S LiPo Balance Charger with iD
• Four AA alkaline batteries for the transmitter
• Optional gearing for 50+ mph performance

High Performance Aluminum Upgrades

• 6061-T6 aluminum C-hubs
• 6061-T6 aluminum steering blocks
• 6061-T6 aluminum rear hub carriers
• 6061-T6 aluminum differential housings
• 6061-T6 aluminum motor mounts

VXL-8s Waterproof Electronic Speed Control

• 8S LiPo compatible
• Built-in cooling fan
• Machined heat sinks
• 10-gauge silicone wire
• Integrated protection circuits
• LED status lights

Velineon 1200XL Brushless Motor

• 4-pole 1275 Kv
• 5 mm output shaft
• Aluminum slip-on heat sink
• Dual motor cooling fans

50+ MPH Performance

50+ MPH with two 4S LiPo batteries and optional gearing, sold separately.

Traxxas Stability Management (TSM)

Helps prevent spinouts and loss of control. Adjusts from off to 100% assistance from the transmitter.

TQi 2.4 GHz 2-Channel Radio System with Wireless Module

• Factory-installed telemetry sensors
• 5-channel micro receiver (6533) with fail-safe security and integrated telemetry ports
• Automatically stores and loads settings for up to 30 Traxxas Link-enabled models

Clipless Body Mount System

• Quick one-handed installation and removal
• Uses pivoting rear latch mechanism
• Eliminates body posts and clips
• Reinforced for extra protection

8S Drivetrain

• Machined, hardened steel pinion and spur gear
• Full-time shaft-driven 4-wheel drive
• Heavy-duty steel CV driveshafts with laser etching
• Beefed-up steel differential output cups
• Splined aluminum center driveshaft
• Machined aluminum stub axles
• Torque-Biasing Center Drive absorbs shocks and distributes power
• 24 mm splined wheel hexes
• Sealed, silicone fluid-filled diffs with large module ring and pinion gears

Fixed Motor Mounting System

• Rigid aluminum motor mounts
• Preset gear mesh adjustments
• No manual adjustments required
• Motor retention separate from gear mesh

Heavy-Duty Modular Composite Chassis

• Interlocking front and rear bulkheads
• Motor mounts to rear bulkhead to eliminate gear crunching flex
• Easy to service and access components
• Driveline is sealed in the chassis to keep out dirt and grit

Snap-Lock Battery Retention System

• No body clips or hook and loop straps
• Battery hold-downs pivot for easy access
• Adjustable for battery size
• More secure than conventional retention systems
• Integrated into chassis top brace for improved battery tray and chassis stiffness

Bumpers

• Front energy absorbing rubber impact bumper
• Lower front and rear skids for impact and abrasion resistance
• Integrated nerf bars for side impact resistance

Steering

• 6061-T6 aluminum steering bellcranks
• 2085RL high-output metal-gear steering servo
• 650 oz-in torque at 6.0 volts
• 0.13 sec/60° at 6.0 volts
• Double-shear aluminum servo horn
• Heavy-duty servo saver spring

Suspension

• TUBES 7075-T6 aluminum front toe links
• All critical suspension points have double shear strength
• High strength steel suspension pins used throughout
• Suspension pin retainers won’t come loose or back out
• C-hub and steering block geometry maximizes steering angle
• Adjustable roll center
• Steel upper and lower tie bars
• Full contact sealed bearings used in exposed locations

Aluminum GTX Shocks

• Machined aluminum threaded body
• Extra-large bore and capacity
• Ultra-smooth TiN-coated 5.2 mm damper shafts
• Lower seal cartridge includes integrated wiper seal combination
• Adjustable aluminum upper spring retainer
• Aluminum shock caps with pivot balls
• Fixed shock locations
• Lower spring perches bolted on

Wheels and Tires

• Massive 8.4-inch Sledgehammer belted tires
• Virtually eliminates ballooning at high speeds
• Open tread block design
• 2-piece foam insert
• High-strength glue and bead design
• Large, dual-diameter wheels

Ready-To-Race Model

MODEL 77097-4: X-Maxx Ultimate, fully assembled, Ready-To-Race, with TQi 2.4 GHz radio system, VXL-8s brushless power system, and ProGraphix clipless body.

Specifications