Installation Instructions for C & K Series Full-Size Pickup with 8' Box, Chevrolet & GMC Cab & Chassis, and Ford 350 Super Duty Cab & Chassis

Part Numbers:

• 41938
• 96938

Wiring Access Location:

• PU3

Tools Required:

• Wrenches: 13/16", 7/8"
• Drill Bits: 9/16"

Step-by-Step Instructions:

1. Remove Spare Tire and Carrier:

   • Remove the spare tire and its carrier from the vehicle.
   • If under-box tire storage is to be retained, the spare tire carrier will need to be relocated or modified after the receiver is installed.

2. Position Hitch:

   • Place the hitch on the vehicle, aligning the rear attaching holes with the slots at the end of the frame.

3. Center the Receiver:

   • Ensure the hitch is centered on the frame.
   • Use the hitch as a template to drill or enlarge the remaining holes.

4. Install Fasteners:

   • Place the provided spacer blocks inside the frame rails and secure all fasteners as shown in the installation diagram.

5. Tighten Fasteners:

   • Torque all 9/16"-18 GR5 fasteners to 110 lb-ft (149 N*m).

Torque Specifications:

• 9/16"-18 GR5 bolts: 110 lb-ft (149 N*m)

Hardware List:

• (8) Hex Bolts, 9/16"-18 x 1-3/4" GR5
• (2) Spacer Blocks, 3/8" x 1-1/2" x 3" (Single Hole)
• (2) Spacer Blocks, 3/8" x 1-1/2" x 3" (Two Holes)
• (2) Spacer Blocks, 3/8" x 1-1/2" x 2"
• (8) Flanged Locknuts, 9/16"-18

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water or exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Always observe safety precautions and wear eye protection when working beneath the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Weight Carrying (Ball Mount):
  • Max Gross Trailer Weight: 12,000 lb (5,448 kg)
  • Max Tongue Weight: 1,200 lb (545 kg)
• Weight Distributing:
  • Max Gross Trailer Weight: 15,000 lb (6,810 kg)
  • Max Tongue Weight: 1,500 lb (681 kg)

Additional Notes:

• This hitch is not to be installed on vehicles with a 6' box (short wheelbase).
• For 1981 and later models with factory step bumpers, remove the support brackets from the frame. Retain these brackets for reinstallation if the hitch is removed.
• Complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.

Installation Instructions for Pickup Trucks (8' Box and Cab & Chassis Models)

Part Numbers:

• 41938
• 96938

Wiring Access Location:

• PU3

Tools Required:

• Wrenches: 13/16", 7/8"
• Drill Bits: 9/16"

Step-by-Step Instructions:

1. Remove Spare Tire and Carrier:

   • Remove the spare tire and its carrier from the vehicle.
   • If under-box tire storage is to be retained, the spare tire carrier will need to be relocated or modified after the receiver is installed.

2. Position Hitch:

   • Place the hitch on the vehicle, aligning the rear attaching holes with the slots at the end of the frame.

3. Center the Receiver:

   • Ensure the hitch is centered on the frame.
   • Use the hitch as a template to drill or enlarge the remaining holes.

4. Install Fasteners:

   • Place the provided spacer blocks inside the frame rails and secure all fasteners as shown in the installation diagram.

5. Tighten Fasteners:

   • Torque all 9/16"-18 GR5 fasteners to 110 lb-ft (149 N*m).

Torque Specifications:

• 9/16"-18 GR5 bolts: 110 lb-ft (149 N*m)

Hardware List:

• (8) Hex Bolts, 9/16"-18 x 1-3/4" GR5
• (2) Spacer Blocks, 3/8" x 1-1/2" x 3" (Single Hole)
• (2) Spacer Blocks, 3/8" x 1-1/2" x 3" (Two Holes)
• (2) Spacer Blocks, 3/8" x 1-1/2" x 2"
• (8) Flanged Locknuts, 9/16"-18

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water or exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Always observe safety precautions and wear eye protection when working beneath the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Weight Carrying (Ball Mount):
  • Max Gross Trailer Weight: 12,000 lb (5,448 kg)
  • Max Tongue Weight: 1,200 lb (545 kg)
• Weight Distributing:
  • Max Gross Trailer Weight: 15,000 lb (6,810 kg)
  • Max Tongue Weight: 1,500 lb (681 kg)

Additional Notes:

• This hitch is not to be installed on vehicles with a 6' box (short wheelbase).
• For 1981 and later models with factory step bumpers, remove the support brackets from the frame. Retain these brackets for reinstallation if the hitch is removed.
• Complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.

Attention:

This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.

Technical Support:

For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.