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Found 6 results

  1. I have a question: were there any U.S. transit agencies who ran their Orion I's, V's and/or New Flyers with the Detroit Diesel 6V92TA engine and Voith transmission? This was the powertrain of choice in Canada for the following: YORK REGION TRANSIT (MARKHAM TRANSIT) (MARKHAM, ON) 2033-2036 - 1988 Orion I 01.508 2044-2047 - 1989 MCI Classic TC40-102N 2048-2052 - 1990 MCI Classic TC40-102A 2053-2054 - 1991 Orion V 05.501 YORK REGION TRANSIT (RICHMOND HILL TRANSIT) (RICHMOND HILL, ON) 511-524 - 1989 New Flyer D40 (T-drive) (renumbered 8911-8924 by YRT) YORK REGION TRANSIT (EX-GO TRANSIT) 1130-
  2. Well, the title says it all. I've been looking around, and I'm unsure of this. Does anyone know of any Operators/Companies that have a Detroit Diesel Series 40/40E, or is CTtransit the only one? I've seen D40LFs pre-2000 with DDS50s (Translink, usually,) but I've only seen the DDS40 on CT buses.
  3. I am wondering if anyone has any application data regarding the Allison automatic transmissions used in our favorite buses of the 1970s, 1980s and early 1990s? Typically, these are the transmissions to be used in city buses: 100-175 hp = AT540, AT545 175-210 hp = MT640, MT(B)643 210-250 hp = MT(B)644, MT(B)647, MT(B)648 175-275 hp = MT(B)654CR, V730, V/VR731(RH) 275 hp or more = HT740, HT(B)741, HT746, HT747, HT(B)748 ~Ben
  4. Has anyone ever determined which torque converter ratio is best for each engine/transmission combo? Example 1: Allison AT545 transmission with TC290 (1.72:1) torque converter behind Cummins B5.9 190 hp (475 lb/ft) engine Example 2: Allison MT643 transmission with TC360 (2.86:1) torque converter behind Cummins B5.9 210 hp (485 lb/ft) engine Example 3: Allison MT644 transmission with TC494 (1.92:1) torque converter behind Detroit Diesel 6V92TA 253 hp (766 lb/ft) engine Axle torque ratings: calculated input torque to axle, determined by: T = maximum gross engine torque (lb/ft) N1 = lowest t
  5. Is it true that the 1982 and '83 Orion I's--the U.S. versions finished in New York--used the Allison HT747 transmission (rather than the original HT740) behind their DD 6V92TA engines? I'm talking about those buses as run by such agencies as: Pacific Transit System (Raymond, WA) Milford Transit District (Milford, CT) Montachusett Regional Transit Authority (Fitchburg, MA) Yakima Transit (Yakima, WA) SLO (San Luis Obispo) Transit (San Luis Obispo, CA) San Luis Obispo Regional Transit Authority (SLORTA) (San Luis Obispo, CA) GATRA (Taunton, MA) IndyGo (Indianapolis, IN) Waukesha Metro Transit (
  6. Is there anyone out there who tried to use an 8V71N or 8V92TA engine in place of the 6V92TA in a 1981-1986 Gillig Phantom? The reason I'm asking this is because I know there actually were a few MCI MC-9 motorcoaches that used the 6V92TA engine originally and then later an 8V71N or 8V92TA is used as a replacement engine in those same coach(es). But what I want to know is if anyone tried to do the same thing in a Gillig Phantom. And if anyone has done this, I'd like to know whether or not such a wet dream as this has been successful. ~Ben
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