Cruisemaster DO45 Plus 4.5T Articulating Off-Road Trailer Hitch Coupler with Handbrake
Model: CMDO45WHBCruisemaster DO45 Plus 4.5T Articulating Off-Road Trailer Hitch Coupler with Handbrake
The Cruisemaster DO45 Plus is the heavy-duty articulating off-road trailer hitch coupler for larger overland campers, expedition trailers, and rough-road trailer builds. This handbrake version combines a 4.5 tonne / 9,920 lb rating, a 1-1/4-inch tow pin, and a positive drop-on locking system with the articulation needed for demanding terrain.
This U.S.-market DO45 Plus package includes the integrated handbrake and 1-1/4-inch tow pin kit for compatible trailers using the required flat 4-bolt drawbar mounting pattern.
Store SKU: CMDO45WHB
Manufacturer Part Number: 18D-RE-DO45PLUS-I
Quantity Included: 1 complete coupler kit
Product Contents
- DO45 Plus 4.5T articulating off-road trailer hitch coupler with integrated handbrake
- 1-1/4-inch tow pin
- Tow pin cover
- Universal C-spanner
- Fitment bolts
- User guide
Why We Recommend It
This is the stronger DO45 Plus option for customers who need more capacity than the DO35 platform and want the convenience of an integrated handbrake. It is built for heavier off-road trailers, overland campers, expedition trailers, and high-capacity custom builds where articulation, strength, and secure coupling are critical.
Key Features
- 4.5 tonne / 9,920 lb heavy-duty articulating trailer hitch coupler
- Integrated handbrake model for compatible cable-operated trailer handbrake systems
- Includes 1-1/4-inch tow pin, pin cover, C-spanner, fitment bolts, and user guide
- SAE J684 rated for North American Class 4 trailer use
- Designed for heavier off-road trailers, overland campers, and expedition builds
- 360-degree roll articulation with minimum 70-degree pitch articulation
- Gen.2 Checklock cap helps keep dirt out and provides a final safety check
- Two-stage positive locking system with visible tow pin confirmation
- Greasable bushes help reduce coupling wear and towing noise
- Zinc-nickel corrosion protection with black E-coat finish
- Flat 4-bolt drawbar mounting pattern with larger M14 or 9/16-inch bolt requirement
- Compatible with load distribution hitches when coupling movement is not obstructed
- DO35 accessories and spares are not compatible with DO45 Plus unless specifically stated
Specifications
| Brand | Cruisemaster |
| Store SKU | CMDO45WHB |
| Manufacturer Part Number | 18D-RE-DO45PLUS-I |
| Series | DO45 Plus |
| Product Type | Articulating off-road trailer hitch coupler |
| Capacity | 4.5 tonne / 9,920 lb GTW |
| North America Rating | SAE J684 Class 4 |
| Application | Bolt-on |
| Coupler Action | Drop-on pin coupling |
| Tow Pin Size | 1-1/4-inch UNF shaft |
| Handbrake | Integrated handbrake |
| Articulation | 360-degree roll; minimum 70-degree pitch |
| Latch Mechanism | Two-stage positive lock |
| Mounting Pattern | 4 bolts, 185 mm x 76 mm front x 54 mm rear |
| Finish | Zinc-nickel with black E-coat |
| Maintenance | Greasable bushes |
| Warranty | 3-year limited warranty; up to 5 years with product registration |
Need help choosing between DO35 and DO45 Plus trailer hitch couplers? Call us at 877-869-6690 for expert fitment help before ordering.
$545 99 $570.40 4% OFF
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$570.40 $545 99
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Product Details
- Brand: Cruisemaster
- Model: CMDO45WHB
- Includes: DO45 Plus 4.5T Articulating Off-Road Coupler w/ Handbrake & 1-1/4
