F12-030-MF-IV-D-000 Parker Motor | 500 Bar Bent-Axis

Product Overview

The F12-030-MF-IV-D-000-000-0 is the smallest displacement model in Parker’s (originally VOAC Hydraulics) F12 series of bent-axis fixed displacement axial piston motors, featuring a displacement of 30 cm³/rev. The F12 series originated from the VOAC Volvo Hydraulics line in Trollhättan, Sweden, representing the heavy-duty evolution of the F11 series with maximum intermittent pressure up to 480–500 bar (vs. 420 bar for F11). The series employs a 40° bent-axis design, spherical piston concept and timing gear synchronization, delivering excellent thermal shock resistance and high speed capability for bidirectional operation in open and closed circuits.

Every F12-030 unit undergoes 100% simulated operating-condition bench testing prior to shipment. Mounting flange, shaft end and port dimensions comply with ISO/SAE standards and are identical to the original Parker/Volvo F12-030, ensuring true drop-in interchangeability with zero modification required.

Technical Specifications

F12-030 Additional Specifications:

• Model Code: F12-030-MF-IV-D-000-000-0

• Type: Bent-axis axial piston, fixed displacement

• Displacement: 30 cm³/rev (1.83 in³/rev)

• Max Continuous Pressure: 420 bar (6,092 psi)

• Max Intermittent Pressure: 480–500 bar (6,960–7,250 psi)

• Max Speed: 7,300 rpm

• Number of Pistons: 7 or 9

• Rotation: Bi-rotational

• Mounting Flange: ISO / SAE

• Shaft Type: Splined (DIN 5480)

• Shaft Seal: FKM high pressure

• Weight: ~77 kg (169.4 lbs)

• Circuit Compatibility: Open / closed circuit

F12 Series Frame Size Specifications:

• F12-030: Displacement 30 cm³/rev, max speed 7,300 rpm

• F12-060: Displacement 59.8 cm³/rev, max speed 5,300 rpm, flow at rated rpm 257.4 l/min, weight 30 kg

• F12-080: Displacement 80 cm³/rev, max continuous pressure 450 bar, max speed 5,100 rpm, theoretical torque at 100 bar 127.6 N·m

• F12-110: Displacement 110.1 cm³/rev, max pressure 480 bar, continuous pressure 420 bar, max speed 4,400 rpm, max flow 484 l/min

• F12-152: Displacement 149.8 cm³/rev, max intermittent pressure 480 bar, continuous pressure 420 bar, max continuous speed 3,700 rpm

• F12-162: Displacement 163.1 cm³/rev

• F12-182: Displacement 179.8 cm³/rev

Key Technical Advantages

1. 40° Bent-Axis with Spherical Piston Design

The 40° bent-axis angle enables a compact, lightweight motor at equivalent displacement. Spherical pistons with laminated piston rings deliver low internal leakage and excellent thermal shock resistance.

2. Timing Gear Synchronization and High Vibration Tolerance

The unique timing gear design synchronizes the drive shaft and cylinder barrel, making the F12-030 highly tolerant to high G-forces and torsional vibration.

3. High Pressure and High Speed Capability

The F12 series supports up to 480–500 bar intermittent pressure and 420 bar continuous pressure, with maximum speed reaching 7,300 rpm. Heavy-duty tapered roller bearings permit substantial external axial and radial shaft loads.

4. Compact and Lightweight Construction

The F12-030 is compact and lightweight with small installation dimensions. Mounting flange and shaft end comply with ISO and SAE standards.

5. 100% Simulated Load Testing & Drop-In Interchangeability

Each unit is bench-tested under simulated operating conditions. Mounting flange, shaft end and port dimensions match the original Parker/Volvo F12-030 exactly.

Application Areas

• Forestry: saw drives, skidders, forwarders

• Construction: cranes, mowers, aerial work platforms

• Marine: deck cranes, constant tension winches, hatch covers

• Oil & Gas: nitrogen pumpers, frac trucks, coil tubing

• Industrial: aircraft test stands, dust collectors, skid steer loaders

Expert Maintenance Tips

1. Pre-Installation: Verify oil cleanliness meets ISO 4406 18/16/13 or better. Ensure coupling alignment deviation does not exceed 0.05 mm.

2. Drain Port Management: Drain line must return independently—back pressure must not exceed 2 bar. Fill housing with oil before first startup.

3. Oil Cleanliness and Temperature: VG 46 recommended. Keep operating temperature below 80°C—system temperature must not exceed 115°C.

4. Leakage Monitoring: Measure drain flow at normal operating temperature. Abnormally high drain flow indicates internal wear requiring immediate service.