ATS – Caterpillar (6Nz) 3406E & C15 Acert Engines (1.38.x)

Caterpillar (6Nz) 3406E & C15 Acert Engines mod for ATS1.38.x. The 6NZ (first 3 numbers of the serial number) 3406E/C15 engine is, depending on who you speak to or read, is either the last of the 3406E series or the first of the C15 series. Either way, it is regarded as the best engine in the 3406 series. The 6NZ was the first of the mighty CAT's to be rated at 600hp from the factory (even though it was still only 14.6L like the rest of the 3406 family). The 6NZ differed from the previous 3406's in that it had improved sealing for sumps and head gaskets, to name but a few modifications, which carried through to the first of the C15's. Even though the 6NZ had full ECM control on its operation, they were a pre-emissions engine. They were also the first of the CAT's able to use an Automated Manual Transmission (AMT) so it can used with an Eaton UltraShift transmission if you wish. This pack contains 4 6NZ 3406E (14.6L) engines rated from 525hp to 600hp and 3 C15 ACERT (15.2L) engines rated from 475hp to 580hp. Engines use Kriechbaum's 'Original 3406E sounds for Fmod' included. Pack also includes Spicer SST20 Proshift gearboxes with 3 common diff ratios. Technically speaking, the Spicer SST20 was a 20-speed 'intergrated' gearbox - 5-speed main plus 4 x 'auxiliary' (Low, Under, Direct, Over), usually controlled by a 4 position splitter switch on the gear-lever (can also be dash-mounted), however due to some of the higher ratios overlapping or being the same, it is usually used as a 15 or 16-speed (Low only being used in 1st and reverse gears): Forward: 1st - 1Low: 11.782 2nd - 1Under: 9.263 3rd - 1Direct: 7.47 4th - 1Over: 6.051 5th - 2U: 5.059 6th - 2D: 4.080 7th - 2O: 3.305 8th - 3U: 2.802 9th - 3D: 2.260 10th - 3O: 1.831 11th - 4U: 1.538 12th - 4D: 1.240 13th - 4O: 1.125 14th - 5D: 1.000 15th - 5O: 0.810 Reverse: Low: -11.782 Under: -9.263 Direct: -7.47 Over: -6.051

Credit(s):
Cheers and happy truckin' Crocko from Oz Bruce C

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