Head to head
Bockmann Grand Master SR vs Ifor Williams CT136HD
The Ifor Williams CT136HD is 9cm wider inside and is 10cm longer inside. The Bockmann Grand Master SR is rated 100kg heavier gross.
Last reviewed 13 September 2026
Key differences
- Internal width: the Ifor Williams CT136HD is 9cm wider inside.
- Gross weight: the Bockmann Grand Master SR is rated 100kg heavier gross.
- Internal length: the Ifor Williams CT136HD is 10cm longer inside.
Specifications side by side
| Bockmann Grand Master SR | Ifor Williams CT136HD | |
|---|---|---|
| Gross weight | 2700kg | 2,600kg |
| Internal length | 3900mm | 4.0m |
| Internal width | 1750mm | 1.84m |
| Payload | 1462kg | - |
| Internal height | 2300mm | - |
| Unladen weight | - | 510kg |
Sources: Bockmann Grand Master SR, Ifor Williams CT136HD. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Grand Master SR if...
- you want one that is rated 100kg heavier gross
The top trim of the Master line, with a walk-in tack room and centre-post partition for owners who want more storage and easier loading than the basic Master. Suits liveries and competition riders travelling one or two larger horses.
Listed by
- Böckmann UK Trailers & Horseboxes - Cinderford, Littledean
Buy or hire the CT136HD if...
- you want one that is 9cm wider inside
- you want one that is 10cm longer inside
The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
Common questions
What is the difference between the Bockmann Grand Master SR and the Ifor Williams CT136HD?
The Ifor Williams CT136HD is 9cm wider inside and is 10cm longer inside. The Bockmann Grand Master SR is rated 100kg heavier gross. The Bockmann Grand Master SR is a larger polyester 2-horse trailer with walk-in tack room; the Ifor Williams CT136HD is a ifor Williams' heavy-duty twin-axle car transporter trailer in the CT136 range, built for moving a single vehicle..
Can I tow the Bockmann Grand Master SR or the Ifor Williams CT136HD on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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