Thrust Washer
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Included with all Ball Mounted Dollies, the Thrust Washer is an optional Adapter designed for Trailers with step down hitches/lips. See Instruction Manual for details. The standard interlocking Puzzle Piece increases the height of the Ball Mount or provides more surface area while tightening.
Have a Jayco Trailer with an Atwood Hitch? Switch out the Puzzle Piece for the Atwood Adapter for our most secure connection to date!
What does a proper connection look like?
STANDARD CONNECTION
The image below shows the connection when the Thrust Washer is not needed:
CONNECTION WITH THRUST WASHER
The image below shows the connection when the Thrust Washer is needed:
Have any questions about this part? Contact Us
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5k & 10k B
4" Tires
Ball Mount with Tightening Bar
Two Hitch Balls: 2" & 2 5/16"
Thrust Washer (Puzzle)
20" Battery Cable
Connect to Dolly Mounted Battery*
80" Battery Cable
Connect to Trailer's Existing Battery Set-Up**This Package does NOT include Battery or Battery Box.
5k & 10k B2
4" Tires
Ball Mount with Tightening Bar
Two Hitch Balls: 2" & 2 5/16"
Thrust Washer (Puzzle)
U1 Battery Kit
Includes Battery, Mounting Tray, Strap and 6" Power Cable
Built-In Battery Charger
Smart Brake Controller
Controls Electric & Surge Brakes via 7-Pin plug.5k & 10k B3
6.5" Tires
Ball Mount with Tightening Bar
Two Hitch Balls: 2" & 2 5/16"
Thrust Washer (Puzzle)
U1 Battery Kit
Includes Battery, Mounting Tray and Strap, and 6" Power Cable
80" Battery Cable
Connect to Trailer's Existing Battery Set-Up
Built-In Battery Charger
Smart Brake Controller
Controls Electric & Surge Brakes via 7-Pin plug. -
15k Ball Mount Only
Max Capacity: 10,000 lbs GVWR
Tongue Weight: 1,000 lbs20" Ball Mount Adapter
(Custom sizes available upon request.)
3 Hitch Balls: 1 7/8”, 2” & 2 5/16”
Wireless Remote Controller
Battery Box*
Built-In Battery Charger
Smart Brake Controller
(Controls Electric & Surge Brakes via 7-Pin plug.)
6.5" Wide Tires15k Fifth Wheel & Ball Mount
Max Capacity: 15,000 lbs GVWR
Tongue Weight: 2,200 lbsKingpin Measurements should be 48”-52” from Ground to bottom of Kingpin Box.
If measurements exceed 48”-52”, Contact Us before ordering.
Kingpin Adapter
(50" from Ground to Kingpin Box)
Kingpin Box Stabilizer Bars
(Landing Leg Version Available Upon Request)
20" Ball Mount Adapter
(Custom sizes available upon request.)
3 Hitch Balls: 1 7/8”, 2” & 2 5/16”
Wireless Remote Controller
Battery Box*
Built-In Battery Charger
Smart Brake Controller
(Controls Electric & Surge Brakes via 7-Pin plug.)
6.5" Wide Tires15k Gooseneck
Max Capacity: 12,000 lbs GVWR
Tongue Weight: 1,500 lbsThis is a Custom Item. Contact Us with your trailer measurements before ordering.
Gooseneck Adapter
* Battery NOT included. You will need to purchase a Group 24, 12V Deep Cycle Battery. Not Compatible with U1 Battery Kit.
(Customized to fit your Trailer Dimensions.)
3 Hitch Balls: 1 7/8”, 2” & 2 5/16”
Wireless Remote Controller
Battery Box*
Built-In Battery Charger
Smart Brake Controller
Controls Electric & Surge Brakes via 7-Pin plug.
6.5" Wide Tires -
Customers within the Mainland US & Canada get FREE SHIPPING on orders over $600 USD! Delivery times are approximate, with weather and holidays permitting:
Force ISC™: 5-7 Business Days*Transformer: 7-10 Business Days*Parts: 5-10 Business Days
*All Trailer Dollies will require a signature upon delivery. If you would like to waive this requirement, leave us a note at checkout.For Express or International shipping rates, please Contact Us.
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Your New Trailer Dolly is covered by our 2 Year Parts & Repair Warranty, starting from the initial date of purchase. If your Trailer Dolly fails to perform within this time frame or if the issue appears to be caused by defective parts, we will work with you to fix the issue.
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If you are not completely satisfied with your Trailer Dolly purchase, customers in the Mainland US and Canada can return their Unit within 30 days of the date of sale for a refund less the flat shipping return cost of $250 for Force Units and 20% restocking fee. Parts orders are not eligible for return.