Traxxas 89086-4-40TH Maxx 40th Anniversary

Traxxas Maxx 40th Anniversary brings big-truck attitude and 4S brushless performance to a durable 1/10 scale platform. This ready-to-run monster truck features full-time shaft-driven 4WD, a Velineon 540XL 2400 Kv motor, a waterproof VXL-4s ESC, TQi 2.4 GHz radio control, and Traxxas Stability Management. In The Box Fully assembled and ready-to-run Maxx 4WD monster truck 40th Anniversary painted and decaled body with clipless body mount system TQi 2.4 GHz transmitter with TSM receiver Velineon 540XL 2400 Kv sensorless brushless motor VXL-4s waterproof electronic speed control 2090 digital high-torque waterproof steering servo Pre-glued Sledgehammer extreme tires with foam inserts Needed to Complete One 3S or 4S LiPo battery with a Traxxas High-Current Connector Compatible LiPo charger Four AA batteries for the transmitter Feature Image Grid Performance and Electronics VXL-4s Waterproof Electronic Speed Control Compatible with 3S and 4S LiPo batteries Built-in cooling fan and machined heat sinks Real-time telemetry via Traxxas Link 10-gauge silicone wire Integrated protection circuits and LED status lights Velineon 540XL Brushless Motor Long-format, 4-pole 2400 Kv brushless motor 5 mm output shaft with 6.5 mm bullet connectors Aluminum heat sink and cooling fan 55+ mph out of the box using a single 4S LiPo battery sold separately 60+ mph with optional gearing and a single 4S LiPo battery sold separately Traxxas Stability Management Helps prevent spinouts and loss of control Adjusts from off to 100% assistance from the transmitter TQi 2.4 GHz High Output Radio System Traxxas Link enabled 2.4 GHz 5-channel micro receiver with fail-safe security and integrated telemetry ports Stores and loads settings for up to 30 Traxxas Link-enabled models Multi-Function knob plus adjustable steering and throttle percentage Adjustable steering and throttle sensitivity Telemetry-ready receiver Chassis and Driveline Clipless Body Mount System Quick one-hand installation and removal Pivoting rear latch mechanism eliminates body posts and clips Reinforced design helps resist tearing Driveline Full-time shaft-driven 4-wheel drive Torque-Biasing Center Drive absorbs shocks and distributes power Sealed, silicone fluid-filled differentials with large-module ring and pinion gears Splined outdrives secured with an external thru-bolt method Heavy-duty Cush Drive and extreme-duty telescoping driveshafts Splined aluminum center driveshaft Secure Motor Mounting System Precision preset gear-mesh adjustments Motor retention is separate from gear mesh 17 mm keyed wheel hex with 5 mm nut Full-length motor cradle Modular Composite Chassis Extended design interlocks with front and rear bulkheads Absorbs and distributes impact energy Easy access for service and component maintenance Sealed driveline helps keep out dirt and grit Easy Battery Access Extended battery tray accepts a 6700 mAh 4-cell LiPo battery Battery sits deep in the chassis for protection Pivoting battery hold-downs provide easy access Bumpers Tough energy-absorbing front and rear bumpers Lower front and rear skids for impact and abrasion resistance Integrated nerf bars for side-impact resistance Wheelie bar with integrated carry handle Suspension and Running Gear Large-Scale High-Output Steering Servo 285 oz-in of torque and 0.18 second transit speed Triangulated mounting system supports the servo case Heavy-duty double-shear bellcranks Suspension WideMaxx double-shear suspension arms are 1.57 inches wider for improved handling Tough composite formula resists impact damage, including in cold weather Engineered to optimize suspension travel and steering angles Critical suspension points use double-shear strength 4 mm machined pivot balls C-hub and steering-block geometry maximizes steering angle Fixed, high-strength camber and toe links Steel upper and lower tie bars GT-Maxx Shocks Machined aluminum threaded bodies Extra-large bore and capacity Large-diameter damper shafts Lower seal cartridges with dual X-rings Adjustable upper spring retainers Plastic shock caps with pivot balls Lower spring perches bolted on Wheels and Tires Tough 2.8-inch wheels with keyed 17 mm hex receptors Sledgehammer extreme tires for sure-footed traction One-piece foam inserts Pre-glued and ready for action TSM rated Full-contact sealed bearings are used in exposed locations Specifications Specification Details Name Maxx Type Monster Truck Speed 55+ mph out of the box, 60+ mph with optional gearing and a 4S LiPo battery Skill Level 4 Scale 1/10 Weight 10.40 pounds (4.7 kg) Length 22.50 inches (572 mm) Width 15.95 inches (405 mm) Front Track 15.95 inches (405 mm) Rear Track 15.95 inches (405 mm) Height 9.12 inches (232 mm) Wheelbase 13.85 inches (352 mm) Center Ground Clearance 2.6 inches (67 mm) Driveline Shaft-driven 4WD Transmission Single speed Differential Type Sealed, hardened steel bevel, limited slip Gear Ratio (Internal) 12.37:1 Gear Pitch 1.0 metric pitch Steering Servo 2090 digital high-torque waterproof, 285 oz-in Radio System TQi 2.4 GHz transmitter with TSM receiver Battery Compartment 186 mm x 48 mm x 43 mm Motor 540XL, 2400 Kv sensorless brushless Motor Weight 11.18 oz (317 g) Motor Length 3.58 inches (91 mm) Motor Diameter 1.41 inches (36 mm) Motor Shaft Size 5 mm Motor Connectors 6.5 mm bullet connectors ESC Velineon VXL-4s brushless ESC Case Size 72 mm L x 59 mm W x 49 mm H ESC Weight 7.09 oz (201 g) Battery Connectors Traxxas High-Current Connectors