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Sideview temp display stopped working. Amy suggestions where I should start troubleshooting?

 

I have a 2005 378. When I turn on the ignition no warning lights come on. No low air alarm.or light no oil light. Can you help me?

 

I noticed that the pete store doesn't have a list for the peterbilt 587.

 

Can you tell which model number transmission my truck rolled of the assembly line with? 1997 379 13spd VN437246.
The tag is missing from trans case.

 

RTLO16713A

 

Thank you.
1600 on the torque, That's what I was trying to figure out without tearing into it. I was hoping it was 1800 as I knew it wasn't 2K because it has no external oil filter. Does have an external oil cooler though.

 

Just bought a 05 379 was told it had a 475. There wasn't engine tag on head but tag on oil cooler reads max HP 625 and serial mxs08374. Truck's vin is 862723. Was wondering if you could tell me motor, tranny and rears rruck originally had please. Thanks in advance.

 

VIN 862723 379 Build date 11/06/04. According to what I found, the engine S/N you posted is not the one from factory. Factory shows MXS05834 which was 625 HP/2050 LB/FT. The MXS08374 was a factory 475HP/1850 LB/FT in a Paccar truck. Trans is a RTLO20918B with Dana/Spicer/Eaton D463/ R463 46K rears with 3.90 ratio. 46K Air trac suspension. Hope this helps.

 

I will have to double check vin and look for some tags she has flex suspension and I was guessing 3.55 rears judging by rpm cruising doen the hyway