Pacific trucks in the logging industy

[Welder Dave]

Pacific would be the exception!

 

[Hank R]

 

[Mr. Wrench]

Is that a 12V71 or a 12V92 under the hood?

 

[Welder Dave]

I'd guess a 12V-71 as it was common in them. Not sure when the 92's came out.

 

[Truck Shop]

Not sure when the 92's came out.

Mid 1974.

 

[Welder Dave]

How do you tell the difference?

 

[Truck Shop]

How do you tell the difference?

Physically a 8V92 is same size as a 8V71. The early 92's were green with stamped steel rocker
covers, Silvers had the late version aluminum rocker covers. That's at a quick glance. The early
92's were Double OO's, basically a 8V71 with 92 cu.in cylinders.

 

[Welder Dave]

So the engine above is a 12V-92 with aluminum valve covers? I recall the early 92's had problems because the 71 bottom end wasn't strongest enough for the increased power.

 

[Welder Dave]

Did some reading and apparently 12V-92's weren't common in trucks but were popular in marine applications. Apparently the 12V-71 has a much better reputation for reliability. 12V-71 has dry liners and 12V-92 has wet liners. Not sure which is better? I guess you wouldn't get pits in dry liners.

 

[Screamin' Jimmy]

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I saw this truck in a photo you took in 2015. Is it still running?

 

[Truck Shop]

So the engine above is a 12V-92 with aluminum valve covers? I recall the early 92's had problems because the 71 bottom end wasn't strongest enough for the increased power.

Covers could be fitted to both. Early 92's were a punched out 71 block, with 71 lower end.

 

[Hank R]

I saw this truck in a photo you took in 2015. Is it still running?

I do not know but my guess it is some where working.

 

[Screamin' Jimmy]

Who has the full high-res version of this manual?

 

[Doug1966]

I'll have look thru my stuff tonight. I might have that one.

 

[Screamin' Jimmy]

Hi, special edition , with lots of photos from the 2 BC anniversary shows.
Very honoured to be included with the real ones.
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This magazine looks awesome! Can I still get this issue?

 

[Hayesno1]

From Hayes Aniversary show in 2022

 

[Hayesno1]

Nice P16 with load

 

[crane operator]

If someone is looking for a pacific to restore, there's a pretty nice one for sale in texas. $5,000, cummins. Originally a drill rig, says right on the one tag in the pictures. I would like to buy it for a counterweight hauling truck, but its just more work than I can put into a old truck, and try to use it everyday. The body looks pretty straight in the pictures, and it isn't all rusted out.



From the ad:

Cummins NTC855 475 HP Fuller 8 Speed 20K F / 46K Rear 143,308 KM 6,300 Hours Wheelbase 250" Cab to End of Frame 265" This is a Non-Titled Texas vehicle. A Non-Titled vehicle registration receipt will be provided.


Pictures if the ad disappears:

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[crane operator]

I think the no title thing could be kind of a pain, depending on your state dmv. In some states, the drill rigs are their own thing, kind of like my truck cranes, and don't need titles.

 

[Truck Shop]

@475 horsepower it should/could be a variable time twin turbo 855.