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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) 1130-1132 - 1987 Orion I 01.508 (renumbered 8710-8712 by YRT) BRAMPTON TRANSIT (BRAMPTON, ON) 8894-8899 - 1988 Orion I 01.508 8901-8909 - 1989 Orion I 01.508 9014-9028 - 1990 Orion I 01.508 9129-9137 - 1991 Orion V 05.501 9176-9180 - 1991 New Flyer S40HF (ex-GO Transit) CALGARY TRANSIT (CALGARY, AB) 7001-7010 - 1992 New Flyer D40HF (V-drive) MISSISSAUGA TRANSIT (MISSISSAUGA, ON) 9020 - 1990 Orion V 05.501 OAKVILLE TRANSIT (OAKVILLE, ON) 901-907 - 1990 Orion V 05.501 928-929 - 1992 Orion V 05.501 DURHAM REGION TRANSIT (OSHAWA TRANSIT) 8121-8123 - 1987 Orion I 01.508 (Oshawa 121-123) 8124-8128 - 1989 MCI Classic TC40-102N (Oshawa 124-128) 8129-8132 - 1990 Orion V 05.501 (Oshawa 129-132) 8133-8136 - 1991 Orion V 05.501 (Oshawa 133-136) 8137-8141 - 1992 Orion V 05.501 (Oshawa 137-141) 8142-8145 - 1994 Orion V 05.501 (Oshawa 142-145) DURHAM REGION TRANSIT (WHITBY TRANSIT) 8311-8315 - 1990 Orion V 05.501 (Whitby 9011-9015) 8316 - 1991 Orion V 05.501 (Whitby 9116) 8317 - 1992 MCI Classic TC40-102A (Whitby 9217) 8318 - 1994 Orion V 05.501 (Whitby 9418) 8319 - 1988 MCI Classic TC40-102A (Whitby 8819, originally to Queens Surface Transportation, NY 943) But here (in the U.S.), this same powertrain could be found on the following buses: BEE-LINE (WESTCHESTER COUNTY, NY) 760-874 - 1990 Flxible Metro "B" 40102-6T MIAMI-DADE COUNTY TRANSIT AUTHORITY (MIAMI, FL) 9067-9073 - 1990 Flxible Metro "B" 40102-6T GREATER PORTLAND TRANSIT DISTRICT (PORTLAND, ME) 9005-9021 - 1990 Flxible Metro "B" 35102-6T FRESNO AREA EXPRESS (FAX) (FRESNO, CA) 9001-9023 - 1990 Flxible Metro "B" 40102-6T 9101-9112 - 1991 Gillig Phantom 40/102TB/6V92TAC ALAMEDA-CONTRA COSTA (AC) TRANSIT (OAKLAND, CA) 1469-1483 - 1984 Gillig Phantom 40TB/96/6V92 2601-2652 - 1990 Gillig Phantom 40/102TB/6V92TAC 2701-2731 - 1991 Gillig Phantom 30/102TB/6V92TAC 2732-2761 - 1992 Gillig Phantom 30/102TB/6V92TAC 2801-2860 - 1993 Gillig Phantom 40/102TB/6V92TAC SACRAMENTO REGIONAL TRANSIT DISTRICT (SACRAMENTO, CA) 9001-9045 - 1990 Gillig Phantom 40/102TB/6V92TAC QUEENS SURFACE TRANSPORTATION (QUEENS, NY) 943 - 1988 MCI Classic TC40-102A (to Whitby Transit 2005, renumbered there as 8819) LEHIGH AND NORTHAMPTON TRANSPORTATION AUTHORITY (LANTA) (LEHIGH, PA) 8721-8730 - 1987 Orion I 01.502 (30 ft) 8931-8935 - 1989 Orion I 01.502 (30 ft) 8936-8950 - 1989 Orion I 01.507 (35 ft) BROOME COUNTY TRANSIT (BINGHAMTON, NY) 601-617 - 1987 Orion I 01.508 (40 ft) Getting back to my original question, does anyone here know whether or not there were any U.S. transit companies (other than LANTA in PA) that had at one time ran any of Orion I's, Orion V's and/or New Flyer D40HF's or D40LF's with the Detroit Diesel 6V92TA/Voith (D863 or D864) powertrain? I know BC (British Columbia) Transit in Vancouver (BC) ran many 1991-93 New Flyer D40LF's (1st generation) which used the 6V92TA/Voith as the powertrain... but did any U.S. agencies order the same for their D40LF's? Thank you, Ben
  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 transmission forward gear ratio N2 = torque converter stall ratio (2.5 or specific value for automatics, or 1 for manuals) Say you have a Detroit Diesel 6V92TA MUI (mechanical unit injection) engine mated to an Allison MT644 automatic transmission, being used in an Orion I transit bus. Allison recommends the transmission not exceed more than 740 lb/ft of input torque from the engine for transit bus applications. Only two TC (torque converter) ratios were produced for the MT644: 1.92 (TC494) and 2.21 (TC495). As the 6V92TA 253 hp engine has 766 lb/ft of torque, the 1.92 TC ratio would be best suited to the transmission. Otherwise, the Allison HT747 transmission (for engines up to 345 hp/1100 lb/ft) is recommended. 766 x 3.58 x 1.92 = 5,265 lb/ft input torque to axle. If anyone knows what the recommended input torque to axle rating is for a Rockwell R143 series rear axle with 4.63 and 4.11 ratios, please try to answer. ~Ben
  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 (Waukesha, WI) The 1982 GATRA Orion I's are unique in that they were the only such 35-foot units finished in NY to carry the old model 01.504, since most of these got out with the model 01.506, which continued into part of 1984 (the year both the 01.504 and 01.506 were replaced by the 01.507). Did these three buses, numbered 8217 to 8219, use the Detroit Diesel 6V92TA engine and Allison HT747 transmission? ~Ben
  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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