Pro Series 51091 51 Receiver - Manual

Installation Instructions
Toyota Tundra
Part Numbers:
51091
Hitch Shown In Proper Position
Equipment Required:
Wrenches: 17mm, 19mm, 22mm, 3/4, 7/8
Drill Bits: None
Tighten all M14 X 2.00 CL10.9 fasteners with torque wrench to 115 Lb.-Ft. (156 N*M)
Rev. A 10-9-07 51091N Sheet 1 of 3 z 2007 Cequent Towing Products
5/8 Lock Washer Qty. (4) 5
1/2 Hex Nut Qty. (2) 9 5/8 Flat Washer Qty. (4) 4
1/4 X 1.00 X 2.00 Block Qty. (2) 8 M14 X 2.00 CL10.9 X 40mm Qty. (4) 3
1/2-13 X 1.75 Hex Bolt Qty. (2) 7 Conical Toothed Washer Qty. (6) 2
M14 Hex Nut Qty. (4) 6 M12 X 1.25 CL9.8 X 40mm Hex Bolt Qty. (4) 1
Tighten all 1/2-13 GR5 fasteners with torque wrench to 75 Lb.-Ft. (102 N*M)
Note: check hitch frequently, making sure all fasteners and ball are properly tightened. If hitch is removed, plug all holes in trunk pan or other body panels to
prevent entry of water and exhaust fumes. A hitch or ball which has been damaged should be removed and replaced. Observe safety precautions when working
beneath a vehicle and wear eye protection. Do not cut access or attachment holes with a torch.
This product complies with safety specifications and requirements for connecting devices and towing systems of the state of New York, V.E.S.C. Regulation V-5
and SAE J684.
Fastener Kit: 51091F
Do Not Exceed Lower of Towing Vehicle
Manufacturer’s Rating or
600 (272 Kg) 6000 (2724 Kg)
Weight Carrying
Ball Mount
800 (363 Kg) 8000 (3632 Kg) Weight Distributing
Max Tongue
WT (LB)
Max Gross
Trailer WT (LB)
Hitch type
Wiring Access Location: PU3
Form: F205 Rev A 5-6-05
1. Remove angle brackets from the inside surface between the frame rails and the bumper brackets.
2. Raise hitch into position and install M12 bolts and conical toothed washers into existing weldnuts.
3. Install M14 bolts through the vehicle bumper bracket, through the hitch and fasten with flat washer, lock washer, and hex nut.
4. Install 1/2-13 hex bolts and 1/4 block through the bumper bracket, through the hitch and fasten with conical toothed washers
and hex nuts.
5. Tighten all fasteners to the required torque specifications.
Tighten all M12 X 1.25 CL9.8 fasteners with torque wrench to 105 Lb.-Ft. (142 N*M)
Bumper Bracket
Frame Rail
Angle Bracket
Both Sides
Existing Weldnuts
Fasteners Typical Both Sides
Bumper