CAT T6 T7 Hydraulic Single Steering Piston Ram Pump for Trucks

CAT T6 T7 Hydraulic Single Steering Piston Ram Pump For Trucks

 

 

Trucks, especially heavy-duty cargo trucks and construction trucks, rely on responsive steering systems to navigate narrow roads, construction sites, and busy highways. The steering system's performance directly affects driving safety, and a stable hydraulic power source is key to ensuring smooth, precise steering. The CAT T6 T7 Hydraulic Single Steering Piston Ram Pump is engineered to be this power source, converting engine mechanical energy into controlled hydraulic pressure for the steering mechanism. As a specialized piston ram pump, it uses a reciprocating piston design to generate steady hydraulic flow, eliminating the lag that could cause steering delays in emergency situations.​

The cat t6 is tailored to medium-duty trucks, with a displacement and pressure output that matches the steering load of 10-20 ton trucks. Its compact structure fits seamlessly into the engine compartment, connecting directly to the steering gear without extra adapters. The cat t7 pump, designed for heavy-duty trucks (20-30 tons), features a reinforced piston assembly to handle higher steering resistance, ensuring that even fully loaded trucks maintain light, responsive steering. Both models inherit CAT's strict quality standards, with each pump undergoing 5,000 cycles of steering simulation tests to guarantee reliability.​

 

The cat t6 pump and cat t7 pump share a core advantage: the piston ram pump design, which delivers linear, low-pulse hydraulic pressure. Unlike gear pumps that may cause steering jitter, the piston's reciprocating motion ensures the steering cylinder receives continuous, stable pressure-critical for heavy trucks that need precise wheel control when navigating curves. In a 15-ton cargo truck, the cat t6 reduces steering effort by 30% compared to traditional pumps, easing driver fatigue during long-haul trips.​

Durability is another standout feature. The piston ram pump in both models uses high-strength forged steel pistons and wear-resistant cylinder liners, with a surface hardness of HRC 55 to resist abrasion from hydraulic oil impurities. The cat t7 pump adds a double-seal design to withstand the vibration and temperature fluctuations of off-road construction trucks, operating reliably in -40°C to 120°C environments. Whether it's the cat t6 pump in a highway cargo truck or the cat t7 pump in a mining dump truck, both maintain performance after 100,000+ kilometers of use.​

 

• Steering Response Optimization: The cat t6 uses a variable piston stroke design, adjusting hydraulic output based on steering wheel speed. When a driver turns sharply, the piston ram pump increases flow in 0.2 seconds to speed up wheel rotation; when turning gently, it reduces flow to save energy.​
• Heavy-Duty Adaptability: The cat t7 pump features a reinforced drive shaft and bearing assembly, capable of withstanding the 300N·m torque from heavy truck engines. Its piston ram pump structure also includes a pressure relief valve to protect the steering system from overload when the truck hits a curb.​
• Easy Integration: Both the cat t6 pump and cat t7 pump use CAT's standardized mounting interfaces, compatible with most truck steering system pipelines. They can replace old pumps without modifying the hydraulic circuit, cutting maintenance time by 40%.​
• Low Maintenance Design: The piston and cylinder in the cat t6 are self-lubricating via hydraulic oil, eliminating the need for regular greasing. The cat t7 pump adds a built-in oil filter to trap particles, extending service intervals to 20,000 kilometers.

 

 

T6DCC	(M)	-42	-17	-10	-1	R	2	-A	1	1
Series	Type code	Flow-shaft end pump	Flow-mid pump	Flow-cover end pump	Shaft type	Rotation	Port posifions	Design number	Sealing Level	Port dimensions
T67DBB		014/B14,017/B17, 020/B20,024/B24. 028 B28. 031/B31. 035/B35,038/B38, 042/B42, 045/B45, 050/B50,061	B02,B03,B 04. B05,B06,B07, B08,B 10, B12. B15	B02,B03,B04, B05,B06,B07, B08, B 10,B12. B15		Vews trom shaff end of pump A- night hand ftor ciockcaise L-left hand for counter- ciocinwise	See Betw picture	A	1-S1. 丁 NBR Nitrie rubber 5-S5.  Fluoro- rubber	No
T67DCB		014/B14. 017/B17. 020/B20, 024/B24. 028/B28.031/B31. 035/B35,038/B38. 042/B42, 045/B45, 050/B50, 061	003/B03,005/B05, 006/B06,008/B08, 010/B10. 012/B12. 014/B14. 017/B17. 020/B20, 022/B22, 025/B25,028/B28. 031/B31	B02,B03,B 04. B05,B06, B07. B08,B 10. B12. B15
	No industrial type M truck type S:  SAE J744C S truck type use KAE C J744 Instalation
T6DCC		014/B14. 017/B17. 020/B20, 024/B24, 028/B28. 031/B31. 035/B35,038/B38, 042/B42. 045/B45. 050/B50, 061	003/B03,005/B05, 006/B06,008/B08, 010/B10, 012/B12, 014/B14. 017/B17. 020/B20, 022/B22, 025/B25, 028/B28. 031/B31	003/B03,005/B05, 006/B06,008/B08, 010/B10. 012/B12. 014/B14. 017/B17. 020/B20, 022/B22, 025/B25, 028/B28. 031/B31						00.01, See installation dimensions
T67DDB		014/B14, 017/B17. 020/B20,024/B24. 028/B28, 031/B31. 035/B35,038/B38. 042/B42, 045/B45. 050/B50. 061	014/B14. 017/B17. 020/B20. 024/B24. 028/B28, 031/B31. 035/B35,038/B38. 042/B42,045/B45, 050/B50,061	B02,B03,B04. B05,B06.B07. B08. B 10. B12. B15	See süre of shaft					No
T6DDC		014/B14. 017/B17. 020/B20. 024/B24. 028/B28,031/B31. 035/B35,038/B38, 042/B42, 045/B45, 050/B50,061	014/B14. 017/B17. 020/B20, 024/B24. 028/B28, 031/B31. 035/B35,038/B38, 042/B42, 045/B45, 050/B50.,061	003/B03,005/B05. 006/B06,008/B08, 010/B10. 012/B12. 014/B14. 017/B17. 020/B20, 022/B22. 025/B25, 028/B28. 031/B31						00.01,  See installation dimensions
T67EDB	fange	042,045,050, 052,057,062, 066,072,085	014/B14. 017/B17. 020/B20.024/B24. 028/B28.031/B31. 035/B35,038/B38. 042/B42, 045/B45, 050/B50.061	B02, B03, B04. B05,B06,B07. B08, B10, B12. B15						No
T6EDC		042, 045, 050. 052,057,062, 066, 072,085	014B14. 017/B17. 020/B20,024/B24. 028/B28,031/B31, 035/B35,038/B38, 042/B42,045/B45. 050/B50,061	003/B03,005/B05. 006/B06,008/B08, 010/B10. 012/B12, 014/B14. 017/B17. 020/B20, 022/B22, 025/B25,028/B28. 031/B31

 

 

 

 

 

 

 

 

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