Re: Truck Engines

Posted by buickanddeere on March 30, 2005 at 14:50:59 from (192.75.48.150):

In Reply to: Re: Truck Engines posted by RustyFarmall on March 30, 2005 at 11:58:48:

I'm rather partial to the Drooling Detroits myself.
Ran an 82-30 Terex dozer with a 6-71 for a couple of summers. Wore ear plugs and external hearing protection together.
My Uncle ran the 82-40 8V-71 Terex with the drainage tile plough.The 8V-71 didn't seem half as loud as the 6-71.
Of course the 2-53 in the 435 is pure music when cranked to the higher redline the updated valve springs allow.
Engine life for Detroit two strokes is considered rather durable around here. As long as they were fed clean fuel, air and oil they lasted as long as any.
DD two stroke rebuild parts are probably the cheapest out there.
Cold weather starting problems are easily solved with updates to “N” specs.
The very flat torque curve seems to mislead drivers used to fourstrokes. The two stroke was always at or close to peak torque. The fourstroke has to lug and loose 20-30% of rated rpms before reaching peak torque.
On a two stroke when rpms start to drop under load it's just time to down shift. Of course on the dozer with a torque converter they felt unstoppable. And would spin the tracks no matter what the surface was.
The inline 6 seems to be the best workable combination for a diesel engine in any sort of moving machine/vehicle.

Follow Ups:

• Re: Truck Engines IH DT466 Hayman 17:57:52 03/30/05 (1)
  • Re: Truck Engines IH DT466 J. Schwiebert 18:16:31 03/30/05 (0)

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