products for the gas and oil industry we put horsepower to work™ GO WITH WHO YOU KNOW. With our vast network of locations around the world, Twin Disc offers you unprecedented sales and service support. We can put engineering and service expertise on location virtually anywhere. We’ll work with you on your particular application and product to ensure optimum results. We’re more than just a name you know, Twin Disc is a name you can trust. For more information, visit www.twindisc.com Twin Disc, Incorporated Racine, Wisconsin 53403, U.S.A. 262-638-4000/262-638-4481 (fax) www.twindisc.com United States of America • Australia • Belgium • France • Italy • Singapore • Switzerland • Canada BULLETIN 425 4/09

( .9 ) Meeting Your Needs Since 1918, one of the keys to our success has been Hydraulic torque converters for mud pumps developing advanced technology that provides products for the effective transmission of horsepower. Power-shift transmissions for work over, By accepting engineering challenges, Twin Disc has servicing and fracturing rigs transmission problems. We take great pride in offering innovative products that meet the specific requirements of our customers. Twin Disc works hand-in-hand with our customers in the development Clutches for drum hoists and disconnects Power take-offs for...

People, products and market responsiveness have contributed to Twin Disc’s success, but the most significant element has been our commitment to systems engineering: the science and technology of power, its conversion, transfer and utilization. Genuine Twin Disc Renewal Parts and expert service are offered through our extensive worldwide network of Authorized Distributors and Authorized Service Dealers. This assures Twin Disc Approved Renewal Parts are readily available wherever the application is located. Our network allows customers to operate their business with fewer trained mechanics, a reduced...

Type Four Hydraulic Torque Converters Optional Combinations Designed specifically for the oil and gas industries, these units transfer power from diesel engines and electric motors up to 2610 kW (3500 hp). Offered in model series by circuit size, the converters provide higher torque multiplication and utilize prime mover power over a greater operating range than previous torque converters used in oil field applications. A variety of output combinations are available with some three-stage hydraulic torque converters. Types B and F are chain housings; both types are available with the 10,000 and...

• ncreased performance: efficient gear train combined with electronic controls tailored to the needs of the I specific application to optimize machine performance. • ase of operation: available automatic shifting or manual power-shift combined with shift inhibits and E interlocks simplify the operator’s job and allows for concentration on the job rather than the powertrain. • educed downtime: durable heavy-duty components combined with electronic controls which prevent R overspeed, shift shocks and reduce the effects of operator’s error, result in increased machine availability and less wear...

Clu t ch e s Model CL Medium Mechanical Clutches Offered in 127, 152, 203, 254 and 279 mm (5, 6, 8, 10 and 11 in) diameter sizes with one-, two- or three-plate construction available in most sizes. • Working power per 100 rpm ranges 1.4 to 14.4 kW (1.9 to 19.3 hp) • Working torques range 132 to 1375 Nm (97 to 1014 lb-ft) • orque capacity can be increased 33% with heavy-duty driving T plates on 203, 254 and 279 mm (8, 10, 11 in) sizes Marine Equ ipm e nt Marine Transmissions Twin Disc offers a full line of marine transmissions for crew, supply and service vessels, and has a model matched to every...

GO WITH WHO YOU KNOW. With our vast network of locations around the world, Twin Disc offers you unprecedented sales and service support. We can put engineering and service expertise on location virtually anywhere. We’ll work with you on your particular application and product to ensure optimum results. We’re more than just a name you know, Twin Disc is a name you can trust. For more information, visit www.twindisc.com Twin Disc, Incorporated Racine, Wisconsin 53403, U.S.A. 262-638-4000/262-638-4481 (fax) www.twindisc.com United States of America • Australia • Belgium • France • Italy • Singapore...