Killerbody 48760 MERCURY Chassis Kit

Killerbody MERCURY 1:10 High-Simulated RC Car Chassis Kit

Instruction Manual for Model 48760

1. Introduction

The Killerbody MERCURY 1:10 High-Simulated Remote Control Car Chassis Kit (Model 48760) is designed for enthusiasts seeking a highly realistic RC experience. This chassis kit is pre-assembled with front and rear axles and a gearbox, and is specifically designed to fit the KB48765 1/10 Jeep Gladiator Rubicon Hard Body (sold separately).

Unlike traditional crawler chassis, the MERCURY chassis prioritizes the simulation of a real car's structure and performance. It features a V-8 engine simulation, electronic equipment mounting points, a 4WD/RWD shifting transmission system, and a differential lock mechanism. The suspension system includes a 3-linkage setup with coil springs at the front and a 4-linkage setup with damper cylinders at the rear, ensuring excellent performance over various terrains.

Killerbody MERCURY Chassis with green Jeep Gladiator body
The Killerbody MERCURY Chassis with a green Jeep Gladiator Rubicon Hard Body (body sold separately).

2. What's Included

The Killerbody MERCURY Chassis Kit (Model 48760) comes with the following components:

Contents of the Killerbody MERCURY Chassis Kit, labeled A through K
Overview of the kit contents, showing individually packaged components.
  • Chassis Frame Kit (A): Includes girder assembly and chassis beams.
  • Fuel Tank and Cross Member Kit (B): Components for the simulated fuel tank and chassis cross members.
  • Battery Compartment Shell Kit (C): Housing for the battery.
  • Engine and Transmission Housing Set (D): Pre-assembled F/R axle and gearbox, along with the simulated V-8 engine housing.
  • Exhaust Pipe Kit (E): Simulated exhaust pipes and motor trims.
  • Axle Set (F): Pre-assembled front and rear axle assemblies.
  • Suspension System Package (G): Includes suspension girders, diff-lock wires, oil-filled shocks, and various suspension components.
  • Steering Servo Bracket / Buffer (H): Brackets for mounting the steering servo and buffer components.
  • Fender / Body Bracket (I): Components for mounting fenders and the body shell.
  • Hub & Wheel Cover (J): Wheel hubs and covers.
  • Screw and Tool Set (K): Assortment of screws and basic tools for assembly.
  • Instruction Sheet.

3. Separately Required Items

To complete your RC vehicle, the following electronic and other components are required and are not included in this chassis kit:

Diagram showing separately required electronic equipment: Battery, Motor, Receiver, ESC, Transmitter, and Servos.
Illustration of separately required electronic components.
  • Battery: 2S 7.4V LiPo battery.
  • Motor: 540 35T Motor.
  • Motor Gear: m0.6 14-20T.
  • Remote Control System: 2.4G 6-channel transmitter and receiver.
  • Electronic Speed Controller (ESC): Compatible with your chosen motor and battery.
  • Steering Servo: Standard servo (Size: 35mm*16mm/40mm*20mm; Torque: 5kg/12kg).
  • Gear Shift Servo: (Size: 26mm*12mm*24mm/24mm*12.5mm*22.5mm).
  • Differential Lock Servo: (Torque: 4kg/2.2kg).
  • Body Shell: KB48765 1/10 Jeep Gladiator Rubicon Hard Body is recommended.
  • Optional: Sound simulation, Light simulation, Smoke simulation modules.

4. Setup and Assembly

This chassis kit comes with pre-assembled front/rear axles and gearbox to simplify the build process. Follow the included instruction sheet for detailed step-by-step assembly. Key areas of assembly and installation include:

4.1 Chassis Frame and Drivetrain

The chassis features a separate frame construction made of PA & fiber composite material. The pre-assembled gearbox supports a 2-speed transmission (High/Low) controlled by a servo. The 4WD/RWD shifting transmission system is also servo-controlled. The differential uses a planetary gear differential with a jaw-type differential lock.

Diagram showing gearbox, steering, wheel hub, and tire assembly on the chassis.
Detailed view of the gearbox, steering, and wheel hub assembly.

4.2 Suspension System

The front suspension utilizes a 3-linkage system with coil springs, while the rear features a 4-linkage suspension with damper cylinders. Short springs are provided for the original design, and longer springs are included for use with retrofitted large tires. The rear suspension can also be converted to a leaf spring setup by purchasing optional upgrade sets.

Diagram showing front and rear suspension details, including spring options and leaf spring conversion.
Front and rear suspension details, including upgrade options.

4.3 Electronic Equipment Installation

Install your chosen motor, ESC, receiver, and servos according to the diagrams. The chassis provides dedicated mounting points for these components. A simulated cooling fan can be installed when fitting a Jeep body. The battery tank is designed to hide a 2S 7.4V LiPo battery within the front compartment, offering approximately 60 minutes of run time.

Top-down view of the chassis showing layout for electronic equipment and decorative parts.
Layout for electronic equipment and decorative parts.
Finished assembly diagram of the chassis with ESC, showing various views.
Finished assembly diagram of the chassis with ESC installed.

4.4 Body Shell Installation

Once the chassis is fully assembled and electronics are installed, mount your chosen body shell (e.g., KB48765 1/10 Jeep Gladiator Rubicon Hard Body) using the provided body brackets and fixing points.

Finished assembly diagram of the chassis with a body shell, showing hood and cockpit details.
Finished assembly with body shell, highlighting hood and cockpit details.

5. Operating Your MERCURY Chassis

The MERCURY chassis offers advanced features for a realistic driving experience:

  • Two-Speed Transmission: Utilize the servo-controlled 2-speed gearbox to switch between high and low gears for different driving conditions. Low gear (ratio 35.4) provides more torque for crawling, while high gear (ratio 12.85) offers speed.
  • 4WD/RWD Shifting: The transmission system allows for switching between 4-wheel drive and rear-wheel drive modes via your remote control, offering versatility in handling.
  • Differential Lock: The jaw-type differential lock can be engaged or disengaged remotely. Unlocking the differential allows for smoother turns and prevents binding on hard surfaces, while locking it provides maximum traction for challenging off-road conditions, such as all-terrain crawling and side-sloping.
  • Realistic Driving: The high-simulated design, combined with advanced suspension and drivetrain, provides a highly realistic driving posture and performance.

6. Maintenance

Regular maintenance will ensure the longevity and optimal performance of your MERCURY chassis:

  • Cleaning: After each use, especially in dusty or wet conditions, clean the chassis to remove dirt, mud, and debris. Use a soft brush or compressed air.
  • Inspection: Periodically inspect all screws, nuts, and bolts for tightness. Tighten any loose fasteners.
  • Lubrication: Apply appropriate RC-grade lubricant to moving parts such as gears, bearings, and universal joints as needed.
  • Suspension: Check the suspension components for wear or damage. Ensure shocks are functioning correctly and springs are not bent.
  • Electronics: Keep electronic components clean and dry. Inspect wiring for any fraying or loose connections.
  • Axles and Gearbox: Regularly check the axles and gearbox for smooth operation. If you notice any unusual noises or resistance, disassemble and inspect for worn parts.

7. Troubleshooting

If you encounter issues with your MERCURY chassis, consider the following general troubleshooting steps:

  • No Power: Check battery charge, ensure all electronic connections are secure, and verify ESC and receiver are properly powered on.
  • Loss of Control/Erratic Behavior: Check remote control battery, ensure receiver and transmitter are properly bound, and inspect for any interference. Verify servo connections and functionality.
  • Poor Performance/Noise from Drivetrain: Inspect gears for damage or debris, ensure proper lubrication, and check for loose axles or wheel hubs.
  • Suspension Issues: Check for bent suspension links, damaged shocks, or incorrect spring installation.
  • Differential Lock Not Engaging/Disengaging: Verify the diff-lock servo is connected and functioning correctly, and check the diff-lock wire for obstructions or damage.

For persistent issues, consult the detailed instruction sheet or contact Killerbody support.

8. Specifications

8.1 Chassis Parameters

Diagram showing various dimensions and angles of the MERCURY chassis.
Chassis dimensions and angles.
ParameterValue
BrandKillerbody
Model Number48760
Chassis Dimensions475mm × 215mm × 135mm
Approach Angle (Chassis)70°
Departure Angle (Chassis)36°
Ramp Breakover Angle (Chassis)35°
Chassis Dimensions (assembled Jeep, Item NO.48765)502mm × 215mm × 188mm
Wheelbase313mm
Tyre30mm × 87mm 1.55 inch wheel rim
Wheel Hub Adaptor12mm
Track Width (F/R)186mm / 183mm
Minimum Underground Clearance28mm
Battery Tank Dimensions93mm × 44mm × 18.5mm
Weight of Chassis1400g
Recommended Age14+ years
MaterialPA & fiber (Composite Material)
OriginMainland China

8.2 Drivetrain and Suspension

Table of chassis frame and cross axis specifications with an image of the chassis.
Chassis frame and cross axis specifications.
FeatureDescription
Chassis FrameSeparate frame construction
Driving4WD/RWD shifting transmission system
Front Suspension3-linkage suspension w/coil springs
Rear Suspension4-linkage suspension w/damper cylinder
Servo CompatibilitySteering servo, Gear shift servo, 4WD/RWD switch servo, Diff-lock servo
Transmission2 speeds (High/Low)
Gearbox Gear RatioLow gear: 35.4, High gear: 12.85
Gearbox TypeServo control 2 speed transmission
Transfer CaseServo control transfer box
DifferentialPlanetary gear differential
Differential LockJaw type differential lock

9. User Tips

  • Tire Upgrades: Consider purchasing additional tires for upgrades, as the chassis is designed to accommodate various tire sizes.
  • Leaf Spring Conversion: For a different rear suspension feel, explore purchasing leaf spring upgrade sets to convert the rear suspension.
  • Cooling Fan: When installing a Jeep body, a simulated cooling fan can be installed for added realism.
  • Electronic Compatibility: Always ensure your chosen motor, ESC, and servos are compatible with each other and the battery for optimal performance and safety.

10. Warranty and Support

For specific warranty information, please refer to the terms and conditions provided by your retailer or contact Killerbody directly. For technical support, product inquiries, or to explore additional parts and upgrades, please visit the official Killerbody website:

RC.KILLERBODY.COM

Image showing various exclusive upgrade parts for the MERCURY chassis.
Explore exclusive upgrade parts for your MERCURY chassis.
Documents - Killerbody – 48760 MERCURY Chassis Kit

no relevant documents

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.