The Multiquip 30172 is a genuine OEM Torsion Bar Rod designed for Whiteman walk-behind power trowels. This direct-replacement rod is engineered to restore proper handle suspension and vibration dampening across the JH55C, JH90C, JS60C, BH90C, BH11C, and BS90C trowel models. As a genuine OEM component, it meets the exact material and dimensional specifications of the original part — ensuring the same service life and performance as the rod it replaces. DHS Equipment stocks this part to help you get your Whiteman trowel back to work fast.
Key Features
- Genuine OEM Material Spec — Manufactured to the same steel grade and dimensional tolerances as the original rod, maintaining correct torsional stiffness under sustained vibration loads.
- Drop-In Handle Assembly Fitment — Installs directly into the handle pivot assembly with no rework, preserving the correct geometry for handle movement and operator control.
- Broad Whiteman Trowel Compatibility — Confirmed fit for JH55C, JH90C, JS60C, BH90C, BH11C, and BS90C Whiteman walk-behind power trowels using part number 30172.
- Restores Proper Handle Dampening — A worn or broken torsion bar rod causes excessive handle vibration and loose handle response; replacing it restores controlled, predictable handling during finishing passes.
- Operator Safety Relevance — The torsion bar rod is part of the handle control system; a failed rod can reduce the operator's ability to control blade pitch, making timely replacement important for safe trowel operation.
The torsion bar rod is a key structural component within the handle assembly of a walk-behind power trowel. It works by absorbing and distributing the rotational and vibrational forces generated during troweling, allowing the operator to maintain consistent pressure and control over the finishing blades. When this rod wears, bends, or fractures, the handle loses its proper tension and dampening, resulting in imprecise blade pitch control and increased operator fatigue — both of which affect the quality of the finished concrete surface.
Part Details
| Part Number | 30172 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Torsion Bar Rod |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Walk-Behind Power Trowels | JH55C |
| Whiteman Walk-Behind Power Trowels | JH90C |
| Whiteman Walk-Behind Power Trowels | JS60C |
| Whiteman Walk-Behind Power Trowels | BH90C |
| Whiteman Walk-Behind Power Trowels | BH11C |
| Whiteman Walk-Behind Power Trowels | BS90C |
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.