by hiluxxury on Mon, 25 May 2020 10:08 +0000
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Theres spring and shock database that I often refer to over on the prado forum (below). It includes some of whats available for the hilux too. 300kgs is a lot but without the running gear, it will be might be the same as having 150kgs of bullbar and winch hanging off the front.
Maybe start with 800lb/in springs and see how you go?
Front Coil Free length Spring rate Spring rate Notes
mm N/mm lb/in
Standard Prado 120 370 580/585 Measured Petrol
Standard Prado 120 370 620 Measured Diesel
Standard Prado 150 345 780 Measured Diesel
Standard FJ Cruiser 355 590/595 Measured Passenger/Driver side
Standard Hilux 369 565 Dobinsons data
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Dobinsons C59-128 330 102.7 586* Lowered
Dobinsons C59-274 350 102.7 586* Lowered
Dobinsons C59-134 370 102.7 586* Standard height
Dobinsons C59-300 385 102.7 586*
Dobinsons C59-302 395 102.7 586*
Dobinsons C59-314 405 102.7 586*
Dobinsons C59-350 380 127 725* Prado 150
Dobinsons C59-352 385 127 725* Prado 150
Dobinsons C59-354 390 127 725* Prado 150
Dobinsons C59-514 340 790
Dobinsons C59-718 365 127 725*
Dobinsons C59-724 370L/375R 127 725* Prado 150 KDSS
Dobinsons C59-726 380L/385R 127 725* Prado 150 KDSS
EFS TPR-104E 375 650
EFS TPR-104HDE 370 800
H&R X/K 365 675
Ironman TOY055B 380 672
Ironman TOY055C 373 834
King KTFS-101 355 660
King KTFR-101 375 660
King KTFR-101H 385 660
King KTFR-101HD 370 800
King KTFR-101HHD 390 800
King KTFR-101T 405 480-730 Taper, 0-50kg, light bullbar
King KTFR-101HT 415 480-730 Taper, 50-100kg, steel bar, winch
King KTFR-101HDT 420 500-800 Taper, 100-300kg, steel bar, winch, dual battery
King KTFR-121 350L/360R 800 Prado 150 KDSS
King KTFS-121 335L/345R 800 Prado 150 KDSS
Lovells TFS-118 345 799
Lovells TFR-118 360 799
Lovells TFR-118HD 352 984
Lovells TFR-118EHD 345 1125
OME 883 375 590
OME 884 390 590
OME 885 395 590
OME 886 402 660
OME 887 400 590 Prado 150
OME 888 405 590 Prado 150
Ridepro ZC7134 370 586* Standard height
Ridepro ZC7300 385 586*
Ridepro ZC7302 395 586*
Ridepro ZC7314 405 586*
Toughdog TDC974 375 660
Toughdog TDC974H 370 800
Toughdog TDC974HH 390 800
TJM 770FR88IT 375 660
TJM 770FRHD88IT 385 660
I might be wrong.
2005 SR Hilux 1KD - SOLD
2009 BMW X5 - destroyed by a hail storm
2012 Range Rover Sport SDV6 - SOLD
2015 Ford Ranger