The Mitsubishi Triton (ML 2006-2009, MN 2009-2015, MQ 2015-2018, MR 2019-ON) deliberately runs a softer rear spring than its rivals - great unladen ride, but it pays for it the moment a load goes in. Add the usual IFS lift questions at the front and a few Triton-specific installation traps, and the complaint list writes itself: rear sag under load, harshness after badly set-up lifts, and geometry running out at 40mm+ of front lift. Here is the honest picture.
Factory rear leafs prioritise empty comfort over load carrying - softer than a Hilux or Ranger by design. A canopy, tools or ball weight drops the tail noticeably. The fix is heavy-duty rear leaf springs rated for your constant load, fitted with matched shocks such as the Toughdog foam cell rears for MQ-MR, or as part of a complete kit like the Dobinsons Monotube adjustable kit. Airbags help with variable towing loads on top of a healthy spring rate.
The Triton's independent front end aligns happily up to roughly 40mm of lift. Beyond that, factory upper control arms run out of adjustment and can contact the strut, droop travel disappears, and CV joints run steep enough to wear early - so 40mm+ needs aftermarket UCAs and realistically a diff drop. If you want adjustability without committing to maximum height, the Dobinsons MRA adjustable kit and IMS Quick-Lift stay in the safe zone; earlier utes are covered by the ML-MN kit and pre-assembled Toughdog struts (ML-MR).
Two installation traps cause most of it. First, suspension bushes torqued with the wheels hanging lock the suspension at full droop - bushes must be tightened at ride height or they bind and ride harshly. Second, some kits omit shortened bump stops; without them a lifted Triton can ride on its stops and steer badly over bumps. Also allow for settle-in: new springs sit high at first and can take serious kilometres to reach final height - align after fitting and again once settled.
Suspension lifts beyond your state's allowable limit (commonly 50mm without certification, less once combined with larger tyres) may require engineering approval under the applicable light vehicle modification rules (VSB14/NCOP). Check your state's requirements before buying - an uncertified over-height lift can affect insurance and roadworthiness. We flag this on every 3" and 4" capable kit we sell.
Largely yes - most kits cover MQ (2015-2018) and MR (2019-ON) together. ML/MN (2006-2015) are separate specs.
Not sensibly on standard geometry - past about 40mm front lift you need UCAs and a diff drop, and legality limits apply. Most Tritons are best at 40mm with the right spring rates.
Bushes likely torqued at droop instead of ride height, missing shortened bump stops, or simply pre-settle height. All three are fixable - the first one matters most.
Not sure which rate suits your load? Talk to our team or browse all Triton lift kits.
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