towing limit for 96 GQ patrol

keep an eye on temp gauge, can get hot under loads, especially on 35 plus days, Dx 4.2 d

do they heat up because their cooling system is not efficent?
or is it something else?

Cooling system not efficient. Something that the 4.2 in gq and gu is renowed for. My dad had one and also tried a much larger hi performance radiator, with no joy. Removed spottie's with no joy. Some on my brothers. It's apparently due to the water jackets in the engine not being large enough. Dad had his drilled out by a mob in Sydney. Not cheap as it was speciliased equipment, but once done, nothing would cause to to heat up. She ran at 83-85 degrees all the time.

BW is correct, not much you can do about it , i'm towing a 2.5 t roadstar with mine , just have to moniter it and drive to conditions, solid running gear tho , except for the weak 5th gear issue in some models, others tow with later model 4.2s turbo, with no probs..!

sorry forgot to add 2800kg for manual transmission station wagons only from december 1992 omwards

Do they heat up because their cooling system is not efficient?
Or is it something else?

sorry batts, wrong post