Thwaites Steering Orbitrol 5-10 Tonne - OEM Number: T102574

The Thwaites Steering Orbitrol (OEM T102574) is a genuine replacement hydrostatic steering control unit designed for use on Thwaites 5 to 10 tonne site dumpers. It forms the heart of the machine's hydraulic steering system, converting steering wheel input into controlled hydraulic flow to the steering ram, providing smooth, precise, and responsive steering operation. Thwaites parts documentation identifies T102574 as the steering orbitrol used within the steering assembly of 9-tonne Power Swivel dumper models.

Manufactured to OEM specifications, this steering control unit is engineered for durability, accurate steering response, and reliable performance under demanding construction site conditions. It is designed to withstand continuous hydraulic pressure, vibration, shock loading, and harsh operating environments while maintaining consistent steering control and operator safety.

FUNCTION AND OPERATION

• Converts steering wheel movement into hydraulic steering action
• Directs hydraulic oil flow to the steering ram
• Provides smooth and controlled steering response
• Maintains steering functionality under varying load conditions
• Designed for reliable operation in heavy-duty dumper applications

TECHNICAL DETAILS

• OEM Part Number: T102574
• Type: Steering orbitrol / hydrostatic steering control unit
• Function: Hydraulic steering flow control and directional steering management
• Application: Thwaites 5–10 tonne dumper steering systems
• Construction: Precision-machined hydraulic steering valve assembly
• Design: OEM-configured steering unit for direct replacement installation

Orbitrol steering units of this type are widely used throughout construction and agricultural machinery, providing hydraulic steering assistance without a direct mechanical linkage between the steering wheel and steering cylinders. Industry discussions commonly refer to these units as orbital steering valves or hydrostatic steering units.

TYPICAL APPLICATIONS

Suitable for a range of Thwaites equipment, including:

• Thwaites 5 Tonne dumpers
• Thwaites 6 Tonne dumpers
• Thwaites 9 Tonne dumpers
• Thwaites 10 Tonne dumpers
• Straight-tip and Power Swivel dumper models
• Hydraulic steering systems and steering control assemblies

Thwaites parts catalogues list T102574 within the steering assembly of 5–10 tonne dumper platforms equipped with hydrostatic steering systems.

IMPORTANT INFORMATION

Always confirm the correct OEM part number, machine model, and serial number before ordering, as steering orbitrol displacement, port configuration, and mounting arrangements may vary between dumper models and production ranges. A faulty orbitrol can cause heavy steering, excessive steering wheel movement, internal hydraulic leakage, poor steering response, or complete loss of steering assistance. Industry maintenance discussions frequently identify worn internal seals, valve wear, and internal bypassing as common causes of orbitrol-related steering issues, making it advisable to inspect the complete steering circuit when diagnosing faults.

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery*
£11.95 or FREE for orders over £150
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.

Premium Delivery*
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£20.00 for delivery before 12:30pm
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**Separate carriage charges apply to bulk products such as 205L barrels.