Multiquip 12602 Gearbox Idler Cap Helical
Multiquip

Multiquip 12602 Gearbox Idler Cap Helical

$96.92
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SKU:
12602-Multiquip
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The Multiquip 12602 Gearbox Idler Cap Helical is a genuine OEM component designed for HHN31V and HHN34TVD Whiteman ride-on power trowels. Sourced directly from Multiquip, this cap provides the exact sealing and retention characteristics required by the gearbox idler assembly on these heavy-duty 8-foot mechanical trowels. Verified fitment on HHN31V and HHN34TVD models means you can order with confidence and get your machine back in service without guesswork.

Key Features

  • Genuine OEM Sealing Integrity — Manufactured to Multiquip's exact material and dimensional specifications, ensuring the cap seats and seals correctly within the helical gearbox idler assembly.
  • Direct Drop-In Replacement — Matches the original mounting interface on the gearbox idler, allowing straightforward installation without alteration to surrounding components.
  • Confirmed Fitment — Compatible with HHN31V and HHN34TVD Whiteman ride-on power trowels, covering both the standard and twin-blade Vanguard diesel variants of this heavy-duty series.
  • Protects Gearbox Internals — Keeps contaminants, debris, and moisture out of the idler gear cavity; a missing or damaged cap accelerates wear on gearbox components and can lead to costly drivetrain repairs.
  • Correct Part for the Job — Part number 12602 is the factory-designated cap for this application — using the right OEM component avoids misalignment or premature failure that an ill-fitting substitute can introduce.

The gearbox idler cap serves as a protective closure for the idler gear cavity within the trowel's helical gearbox assembly. It keeps lubricant contained and prevents dust, concrete slurry, and moisture from entering the gear train during operation. When this cap is cracked, missing, or improperly seated, contaminants work into the gearbox and accelerate wear on the idler gear and surrounding components, ultimately compromising the trowel's blade speed consistency and drivetrain longevity.

Part Details

Part Number12602
BrandMultiquip
Part TypeGenuine OEM
DescriptionGearbox Idler Cap Helical

Compatibility & Fitment

Name Model
Whiteman Ride-On Power Trowels HHN31V
Whiteman Ride-On Power Trowels HHN34TVD

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.