VTM42-60-75-20 Vickers Eaton Power Steering Vane Pump 140bar

Model Number	VTM 42-50-40-08-NO-R-1-14, VTM42 60 75 20 MF R1 14

Product Description

Product Overview

The V10, V20, V10F, V20F, VTM42, VTM42A, V2010 and V2020 series (including VTM42 60 75 20 MF R1 14 and VTM 42-50-40-08-NO-R-1-14) are Eaton Vickers high-pressure, high-speed vane pumps designed for power steering and mobile equipment. The VTM42 series features integral flow control and relief valves in a compact package with balanced cartridge design for high efficiency, low noise and long life. We specialize in the R&D and manufacturing of high-pressure pumps, motors and valve blocks. Our products offer 100% drop-in interchangeability with genuine Vickers/Eaton units and undergo 100% simulated operating-condition testing. Precision machining and high-quality materials ensure stable output under high-pressure and high-speed conditions for construction, agricultural and vehicle power steering systems.

Technical Specifications

(Based on official Eaton Vickers and compatible technical data; theoretical values excluding efficiency and tolerances)

Series: V10 / V20 / VTM42 / VTM42A / V2010 / V2020
Typical model: VTM42-60-75-20 (or VTM42 60 75 20 MF R1 14): Ring size corresponding to approx. 6–7.5 USGPM controlled flow, relief setting approx. 2000 psi
Displacement range (VTM42): 0.21–1.18 in³/r (3.4–19.3 cm³/r)
Continuous pressure: up to 140 bar (2000 psi)
Peak pressure: Higher intermittent values possible depending on configuration
Maximum speed: Up to 5000–7000 r/min for small rings; approx. 2000–2800 r/min for larger rings
Control: Fixed displacement + integral flow control and relief valve (VTM series); rotation selectable (R = clockwise, L = counterclockwise)
Mounting & ports: Flange or manifold mounting, with/without tank options (NO/MF etc.)
Approximate weight: 6.4–14 kg for VTM42
Other: Balanced cartridge design, optimized for high-speed power steering applications

Key Technical Advantages

Integral flow control and relief valve: VTM series one-piece design eliminates external valves for compact packaging, specifically optimized for power steering.
Balanced cartridge and high efficiency: Fully balanced radial forces deliver high volumetric efficiency, smooth quiet operation and extended service life.
High-pressure high-speed capability: Supports up to 140 bar and very high speeds, suitable for demanding mobile equipment conditions.
100% drop-in interchangeability and simulated-condition testing: Overall dimensions, mounting interfaces and control characteristics match genuine Vickers/Eaton units exactly for direct replacement. Every unit undergoes 100% simulated operating-condition testing to verify pressure, flow, efficiency and sealing performance.
Flexible configurations: Multiple ring sizes, controlled flows, relief settings and tank/manifold options to meet diverse steering system requirements.

Application Areas

Vehicle power steering systems: trucks, construction machinery, agricultural equipment
Mobile equipment: wheel loaders, forklifts, special vehicles
Industrial auxiliary systems: compact high-pressure oil supply circuits
Marine and heavy-duty equipment steering applications

Expert Maintenance Tips

Before installation, confirm rotation and interfaces match the host machine. Ensure adequate suction line diameter and proper sealing to avoid cavitation.
Use anti-wear hydraulic oil with cleanliness meeting ISO 4406 18/16/13 or better; maintain suitable viscosity at operating temperature. Run at low speed during cold starts.
Regularly check the integral relief valve and flow control settings to keep pressure stable; avoid prolonged over-pressure operation.
When replacing the cartridge or seals, maintain strict cleanliness; perform air bleeding and low-pressure test run after assembly.
Perform preventive inspections every 2000–4000 hours depending on duty cycle; monitor noise, temperature and any flow changes, and service promptly.

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