1. Overview

• Brand: YIKONG
• Model: YK4101
• Scale: 1:10
• Type: Off-road crawler
• Drive: 4WD
• Features: Remote differential lock, two-speed transmission, waterproof electronic equipment.

2. Product Dimensions and Specifications

Dimensions:

• Size: 530mm x 220mm x 265mm
• Weight: 2.85 kg
• Wheelbase: 313 mm
• Minimum ground clearance: 50 mm
• Tire and wheel diameter: 110 mm / 62 mm

Key Angles:

• Approach angle: 45°
• Departure angle: 60°
• Maximum suspension travel: 76 mm
• Total length: 543 mm

3. Internal Components

Electronic Equipment:

• Electronic Speed Controller (ESC): HobbyWing 60A, waterproof.
• Motor: High-torque 21T 550 brushed motor.
• Servos:
  • 17g servo (high/low speed control).
  • 17g servo (front differential lock).
  • 17g servo (rear differential lock).
  • Fully metal waterproof steering, 15kg steering servo.

4. Special Features

• Remote differential lock.
• Two-speed transmission with overload protection.
• Quick-release car body shell with magnetic buckle system.
• 5mm CNC aluminum alloy 6061 chassis beam.
• Adjustable aluminum alloy motor mount.

5. Chassis and Body Functions

• Chassis: CNC aluminum alloy chassis beam.
• Body: 1.2mm PC car body shell, quick-opening system, strong magnetic locking.
• Suspension system: Independent suspension.
• Differential: Differential lock controlled by servos.

6. Electronic Equipment and Remote Controller

Remote Controller:

• Frequency: 2.4 GHz, 6 channels.

Electronic Speed Controller (ESC):

• HobbyWing WP-1060 waterproof ESC, supports switching between lithium batteries and nickel-metal hydride batteries.

Motor:

• High-torque 550 specification brushed motor.

Servos:

• Fully metal waterproof steering servo, 15kg digital steering servo, three 17g servos for differential lock and speed control.

7. Accessories

• 1x RC Car
• 1x Remote Control
• 4x Tires
• 1x Manual
• 1x Tool Kit

Note: Product accessories do not include charger and battery, need to be purchased separately.

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