Defenders are not powerful, but they have good gearing, so I think they can tow well.
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My Puma has six speeds so it's fine towing on the highway.
The other day I saw a Ford Transit towing a large, obviously heavy, dual axle trailer loaded with equipment and it reminded me that this drive train is a real load lugger. You won't set speed records, but towing is quite possible, while using a lot less fuel than a Toyota V8.
Dunno what you do for a living, but it doesn't sound like you drive trucks.
I've never driven a heavily loaded vehicle with leaf springs that handled better than (usually) air bagged, and in some cases coiler(my RRC back in the day).
My main experience of this has been between Isuzu and Fuso(air bagged) and Hino(crapola leafys).
The monumental sidestepping that the Hinos' all had was never an issue in the Isuzu/Fuso's.
My last vehicle with leafs was my Rodeo ute .. and quite simply never again .. ever, will I own a leaf sprung vehicle.
Funniest experience on the difference between the two types was long ago in my RRC driving around Lake Mungo.
Been so many times I can't remember the specifics of the road/location. Was a very wide and badly corrugated dirt road, and following an XD Falcon, him doing about 20-30k/h visibly sidestepping madly all over the place.
Me and missus in RRC camping for a week or so out that way, RRC loaded food/water, quite a bit of rear end sag(those load levellers were useless).
But I could easily maintain 60k/h on the road without breaking a sweat(handling wise) .. just the noise(drumming/pounding) limited speed on this road.
Once we got past the badly corrugated section XD came past me(at 60) and him doing maybe 80 or so.
Yep all Pumas are six speed. Yes they’ll lug all day long. And at speed limits on highway no probs. But hit a hill or a headwind, its down to 80 or 60km/hr. Not that it bothers me.
There is a big difference between the power of a Puma 4 and a Tojo V8...I understand why thos who tow big loads all the time prefer a bigger engine.
defenders are not powerful but you can give then an extra 30+% power and torque quite cheaply which is significant.
if you know the right guy you can get the power figures that Jaguar were using with the same engine. 170kw I believe and 5-600 torques.
a company on the Gold Coast will do it for you without intercoolers and egt guages necessary.
How does that work though for longevity ? Heavily boosted td5's need to be watched in terms of exhaust gas temps when towing etc. Puma is smaller again, especially Puma 2. The Puma is a small engine already putting out big numbers. I would take big lazy cubes any day for towing and look to very long miles without incident.
Cheers