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 Puzzle Piece can be inserted to increase the height of the Ball Mount to provide more surface area while tightening or removed to bypass any protrusions on the hitch.
Have a Jayco Trailer with an Atwood Hitch? Switch out the Puzzle Piece for one of our Atwood Adapters for our most secure connection to date!
What does a proper connection look like?
STANDARD CONNECTION
A flush, tight connection between the ball mount and coupler. Flat, without any visible gaps. A Thrust Washer isn't required for this type of connection:
CONNECTION WITH THRUST WASHER
Required when protrusions on the hitch prevent a flush, flat connection. The Puzzle Piece can be removed to bypass imperfections on the hitch:
Have any questions about this part? Contact Us
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Force 5K
Weight Capacity: 5,000 lbs Gross. / 900 lbs Tongue
6.5" Tires
20" 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.Force 10K
Weight Capacity: 10,000 lbs Gross. / 900 lbs Tongue
6.5" Tires
20" 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
Built-In Battery Charger
Smart Brake Controller
Controls Electric & Surge Brakes via 7-Pin plug -
Ball Mount
Max Capacity: 10,000 lbs GVWR
Tongue Weight: 1,000 lbs20" Ball Mount Adapter
- 2 HITCH BALLS: 2" & 2 5/16"
- THRUST WASHER (Puzzle)
- TIGHTENING BAR
Includes Stabilizer System. See Instruction Manual for details:
- STABILIZING RATCHET STRAPS
- SPACER PLATE
15k Fifth Wheel
Max Capacity: 15,000 lbs GVWR
Tongue Weight: 3,000 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)
Universal Stabilizer Bars
(Kingpin or Landing Leg Connection)
Wireless Remote Controller
Two U1 Sealed Batteries
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. Please provide us with the height from the ground to the bottom of your hitch before ordering. You can Contact Us with these details, or leave us a note at checkout.
Gooseneck Adapter
(Customized to fit your Trailer Dimensions.)
Wireless Remote Controller
Two U1 Sealed Batteries
Built-In Battery Charger
Smart Brake Controller
Controls Electric & Surge Brakes via 7-Pin plug.
6.5" Wide Tires -
Free shipping applies to all orders over $600 that are shipped within the mainland USA and Canada.
Extra shipping costs will apply to the following locations:
- Hawaii
- Alaska
- Vancouver Island, BC
- Newfoundland and Labrador
- P.E.I.
- Yukon and Northwest Territories
Delivery Timelines
Provided that stock is available, our products are usually delivered according to the following timelines:
Mainland USA
Force 5K & 10K – 1-3 business days
Transformer 15K – 3-7 business days
Canada (depending on location)
Force 5K & 10K – 1-6 business days
Transformer 15K – 3-10 business days
For open box dollies and parts, please allow 5-10 business days for delivery, regardless of your location.Delivery timelines are subject to change depending on severe weather or stock shortages.
Force models ship the same day, as long as they are ordered before 5 p.m. EST.All Trailer Dollies will require a signature upon delivery. If you would like to waive this requirement, leave us a note at checkout.
Note: We cannot ship Trailer Dollies to PO Box addresses.
Shipping Internationally?
We'd love to hear from you! Please Contact Us with your order and delivery details and we'll send you a shipping quote.
Questions about shipping?
See our FAQ section for more information.
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Your Trailer Dolly is covered by our 2 Year Parts & Repair Warranty! If your Trailer Dolly fails to perform within this time frame, we will work with you to fix the issue and provide replacement parts. Each 12V U1 Battery is covered separately by a 1 Year Interstate® Battery Warranty. Find a Interstate® Service Location near you.
(Warranties start from your initial date of purchase.)
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If you are not completely satisfied with your Trailer Dolly, customers in the Mainland US and Canada can return their unit up to 30 days after receiving their dolly for a refund, minus a flat return shipping cost and restocking fee.
Parts Only and International Trailer Dolly orders are not eligible for return.