- Borg Warner Transmission Parts
- Borg Warner Transmission Repair
TAD for Velvet Drive 71 72 Inline Transmissions - Velvet Drive Transmissions - Velvet Drive Marine Transmissions |
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Borg Warner Transmission Parts
Borg Warner Transmission Repair
| Velvet Drive 71 & 72 Inline Marine Transmissions | | Great Prices, Great Service |
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| We carry a wide selection of reduction ratios to suit your particular needs. Proven, reliable cast iron design. | The '71' and '72' designations of Borg-Warner marine transmissions indicate input horsepower ranges. There are 3 basic models of transmissions; each with offerings in the 71 and 72 ratings. The most popular model is the In-Line unit. 'In-Line' indicates that the input and output shafts of the transmission are on the same plane. Direct drive versions of the in-line models are frequently used on high horsepower, light weight boats while the reduction ratio versions use an additional planetary gear set to allow the use of larger propellers for greater pulling power at lower speeds. |
| Dimensions For 71C (10-17) & 72C (10-18) In-Line Models | | Inches (millimeters) | | Model | A | B | C* | DØ | EØ | FØ** | | 71C (10-17) | 5.63 (143.00) | 5.69 (144.53) | 16.89 (429.01) | 2.50 (63.50) | 4.25 (107.95) | 5.00 (127.00) | | 72C (10-18) | 5.63 (143.00) | 5.69 (144.53) | 17.79 (451.86) | 2.50 (63.50) | 4.25 (107.95) | 5.00 (127.00) | * Note for 'C' dimension - direct drive units:
71C (10-17) 10.50 in. (266.70mm)
72C (10-18) 11.44 in. (290.58mm) | | **Direct drive model 71 (only) uses 4 in. (101.60mm) coupling. |
| General Information for Model 71C (10-17) | | Ratings: Gasoline | up to 310 HP @ 4200 RPM | | Ratings: Diesel | up to 182 HP @ 3200 RPM | | Available Ratios: | 1.00, 1.52, 1.91*, 2.10, 2.57, 2.91:1.00 | | Shaft Rotation | output same as engine unless noted by asterisk (*) | Approximate Dry Weight
(direct drive): | 95 lb. (43.1 kg.) | Approximate Dry Weight
(reduction) | 145 lb. (65.8 kg.) |
| General Information for Model 72C (10-18) | | Ratings: Gasoline | up to 475 HP @ 4200 RPM | | Ratings: Diesel | up to 274 HP @ 3200 RPM | | Available Ratios | 1.00, 1.52, 1.91*, 2.10, 2.57, 2.91:1.00 | | Shaft Rotation | output same as engine unless noted by asterisk (*) | Approximate Dry Weight
(direct drive): | 109 lb. (49.4 kg.) | Approximate Dry Weight
(reduction) | 153 lb. (69.4 kg.) |
| Models 71 & 72 Specification Downloads |
| | Model 71 & 72 Inline Specifications |
| | Model 71 & 72 Inline Classifications & Ratings |
| | Model 71 & 72 Inline Ratings |
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| Please be sure to visit ourUsed & Surplus page for great prices on Velvet Drive Marine Transmissions. | or... Please call us at 1-800-927-9295 for more information. |
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| This Page Last Updated June 01, 2020 | © 2020 Trans Atlantic Diesels, Inc. - All Rights Reserved |
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Here at Morgans we take pride in restoring the Borg Warner range of older transmissions and torque converters back to their former glory. Each and every unit is completely dissassembled and inspected before cleaning and re assembly begins with new components being fitted. One of the very best four-speed transmissions ever is the Borg Warner T18. Novak's T18 (or T19) is professionally and meticulously rebuilt. We use the best components, including bearings, synchronizers, bushings, seals and gaskets built by our T18 specialists and experts. Any required updated and improvements are performed.