Big off-grid and overland trailers are exactly where moving by hand gets dangerous. Here the Optimover electric trailer dolly backs a heavy, fully loaded trailer into a tight spot with inch-perfect control — one person, one remote. Rated to 7,700 lb with instant dynamic braking, it makes parking a loaded rig effortless and safe.
Clamp Size Guide
Finding your perfect clamp:
Step 1. Locate the best position on your tongue to place the bracket; the Optimover is effective anywhere on the front tongue where space allows.
Step 2. Measure the tongue height.
Step 3. Measure the tongue width.
Step 4. Use the size guide below to select your bracket.
Contact us at [email protected] if you require a different sized clamp
To Fit | Clamp Dimensions | Additional Notes | |||||
Clamp | Name | Tongue Height (mm) | Tongue Width (mm) | Total Width | Front Plate height x width | Width between U-bolts (mm) | |
OW-15 | Large Compact Duel Clamp 150mm | 150 | 50 | 160 | 150 x 140 | 140 | Most common fit for RVs |
OW-14 | Small Compact Duel Clamp 100mm | 100 to 130 | 50 | 150 x 140 | 140 | Most Jayco RVs (not the all-terrain) | |
OW-6 | Large Duel Clamp 150mm | 150 | 50-150 | 237 x 200 | 195 | Alternative to OW15 where tongue width is larger than 50mm. U-bolts from the back fit better. | |
OW-7 | Small Duel Clamp 100mm | 100 | 50-100 | 235 x 170 | 195 | Ideal for boats (can go back-to-back with existing jockey wheel) | |
OW-8 | Medium Duel Clamp 130mm | 130 | 50-130 | 237 x 200 | 195 | Ideal for boats (can go back-to-back with existing jockey wheel) | |
OW21 | X Small Duel Clamp 75mm | 75 | 50-75 | 235 x 170 | 195 | Ideal for boats (can go back-to-back with existing jockey wheel) | |
OW-18 | Double Clamp Brack ALKO | NA | NA | 150 x 140 | NA | European & UK vans that use an Alko Chassis | |
OW-19 | Optitec Offset Double Clamp | 100 or 150 | 50-150 | 237 x 200 (150 mm plate) 235 x 170 (100 mm plate) | 195 | Used to get higher or lower (ie. in a carport) Raise or lower by 150mm Can be fitted to 150mm depth or 100mm depth | |
OW20 | Zone RV Dual clamp | TBC | |||||