3908 E-Maxx Truck RTR w/Castle Mamba 2.4GHz

This is the 1/10 scale brushless electric powered 2.4GHz radio controlled 

ready to run Traxxas E-Maxx Monster Truck. 

Powered by the Castle Creations Mamba Monster Power System. 



FEATURES: Chassis: 0.08 (2mm) thick composite with quick release hold 

downs and scaleable battery components to fit a variety of stick 

or side-by-side packs 

Drive: Four wheel shaft drive with Revo spec sealed large diameter 

outer and center drive shafts 

Motor: Castle Creations Mamba 2200kV, brushless with machined heat- 

sink motor can and 5mm rotor shaft 

Radio: Traxxas TQ 2.4GHz 2-channel with two digital waterproof #2075 

servos with 250 oz-in of torque & 0.16-sec transit time 

Electronic Speed Control: Castle Creations Mamba Monster rated for 6S

LiPo batteries, Castle Link compatible, low voltage detection, 

switching BEC, cooling fan, 6.5mm bullet connectors, heavy duty 

braking circuitry and proportional reverse with lockout mode 

Batteries: Two Traxxas Power Cell 3000mAh NiMH 7-cell flat packs with

Traxxas High Current connectors, 16.8V total power 

Ball Bearings: Full set, rubber sealed 

Shocks: Eight oil-filled, composite bodied with white springs, rubber

pressure bladders and double O-ring seals 

Gearbox: Sealed 

Differentials: Revo spec with X-ring seals to keep oil in and dirt 

out, bevel gear design, sealed limited slip 

Slipper Clutch: Traxxas's patent pending Torque-Control with aluminum

slipper clutch friction pads 

Transmission: Heavy duty brushless ready, two-speed reversing 

transmission with steel idler gear 

Tires: Treaded soft compound Maxx 6.3" (160mm) outer diameter 3.3" 

(85mm) wide 

Wheels: 3.8" (96mm) diameter black chrome 10 spoke (spokes are in 

groups of two) 2.7" (70mm) width, 17mm hex 

Bumpers: Plastic front and rear with kickups 

Suspension: Adjustable Revo Spec sealed pivot balls 

Caster: Adjustable, caster/toe-in refers to the angle of the front 

suspension when viewed from the side of the car in relation to the 

chassis 

Camber: Adjustable, camber refers to the angle of the tops of the 

tires from vertical when viewed from front or behind vehicle 

Steering: Heavy duty dual servo bell-crank type with ball bearings 



INCLUDES: Traxxas E-Maxx RTR Monster Truck, Mamba Monster Power system, 

wide track body, 2-channel 2.4GHz radio with two servos, two 8.4V 

NiMH batteries 

REQUIRES: Radio Batteries: Eight for transmitter 

Battery Charger: Peak detection type 

Misc. Items: Building and track equipment 



SPECS: VEHICLE- 

Length: 20.4 (518mm) 

Width: 16.5 (419mm) 

Height: 9.8 (248mm) 

Weight: 7.2 lbs (3290g) approx. without batteries 

Wheelbase: 13.2" (335mm) 

Front Tread: 12.9" (329mm) 

Rear Tread: 13.0" (331mm) side-to-side at wheel centers 

Front Track: 16.4" (417mm) 

Rear Track: 16.5" (419mm) side to side at outer edges of wheels 

Ground Clearance: 2.6" (65mm) 

BODY- 

Length: 19.5" (496mm) 

Width: 7.7" (195mm) at rear wheels, widest point 

6.5" (165mm) behind front wheels, widest point 

Height: 5.3" (136mm) 



BOX DIMENSIONS: 16.25" W. X 11.13" H. X 23.75" L.

BOX WEIGHT: 16.04 LBS.