Multiquip 21818 Hose Assembly 1.00 Idx30 100R4 90 16Fj

The Multiquip 21818 Hose Assembly 1.00 Idx30 100R4 90 16Fj is a genuine OEM hydraulic hose assembly designed for HTX44K4, HTX44K5, HTX44Y4, HTX44Y5, and HTXD6i heavy-duty hydrostatic ride-on power trowels. As a direct OEM replacement, this assembly is built to the original engineering specifications that Multiquip uses in production, ensuring it integrates correctly with the hydraulic system on these HTX-series machines. Sourced directly through authorized Multiquip supply channels, part 21818 delivers the fitment accuracy that contractors and equipment technicians depend on to keep finishing operations running without interruption. DHS Equipment stocks genuine Multiquip OEM parts so you can order with confidence and get the right part the first time.

Key Features

• Genuine OEM Construction: — Built to Multiquip's original hydraulic routing specifications, matching the correct inner diameter, pressure rating, and end-fitting angle for the HTX-series hydraulic circuit.
• 90-Degree 16Fj End Fitting: — The factory-spec 90-degree swivel fitting allows the hose to route cleanly within the tight hydraulic plumbing of the HTX44 and HTXD6i frames without stressing the line or fittings.
• 100R4 Pressure-Rated Construction: — The 100R4 hose construction provides a flexible, high-impulse-rated inner tube and reinforcement layer suited to the continuous hydraulic demands of a hydrostatic trowel drive system.
• Broad HTX-Series Compatibility: — Confirmed fitment across HTX44K4, HTX44K5, HTX44Y4, HTX44Y5, and HTXD6i ride-on power trowel models, covering both Kubota and Yanmar powertrain variants in the HTX heavy-duty hydrostatic family.
• Hydraulic Integrity Maintained: — A worn or cracked hydraulic hose in a hydrostatic trowel can cause loss of blade pitch control and drive response; replacing with the correct OEM assembly restores full system pressure and precise operator control.
• Fuel and Fluid Safety Compliance: — Using the correct OEM-rated hose assembly in a hydraulic circuit prevents pressure failures and uncontrolled fluid release, supporting safe machine operation on the finishing floor.

A hydraulic hose assembly carries pressurized hydraulic fluid between the pump, control valves, and actuators that govern blade pitch and machine drive on hydrostatic ride-on trowels. On HTX-series machines, the hydraulic circuit is what gives the operator precise, responsive control over rotor speed and trowel blade angle — functions that directly affect the quality of a concrete finish. When a hose assembly develops a leak, a blister, or a fitting failure, system pressure drops and control becomes unpredictable; in severe cases, complete hose failure can cause sudden fluid loss and an unsafe loss of drive or blade response. Replacing a degraded hose with the correct OEM assembly restores the system to its designed operating pressure and protects both the hydraulic components downstream and the operator's ability to work safely and accurately.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.