The Multiquip 0740 Pulley AK-51 x 3/4 is a genuine OEM component designed for CA, JA, and B-Series walk-behind power trowels, including the CA4HC, CA5BC, JA-Series, B-Series, HPHA-46-Series, HPLA46411H, HPHA46411H, HPHA36C5H, and related walk-behind trowel models. As a direct OEM replacement, this pulley is sourced and verified to match the original equipment specification, ensuring correct belt engagement and drive system alignment. Sourcing the genuine Multiquip part means you can install with confidence, knowing the component interfaces correctly with the existing drive assembly on your trowel.
Key Features
- Correct Drive Geometry: — Machined to the AK-51 x 3/4 bore specification, this pulley maintains proper belt alignment and tension across the trowel's drive system.
- Genuine OEM Part: — Sourced directly from Multiquip, this component meets the same material and dimensional standards as the original pulley installed at the factory.
- Broad Walk-Behind Trowel Compatibility: — Fits CA4HC, CA5BC, JA-Series, B-Series, HPHA-46-Series, HPLA46411H, HPHA46411H, HPHA36C5H, and other compatible walk-behind trowel models.
- Drop-In Installation: — The 3/4-inch bore and AK-51 sheave profile match the original shaft and belt dimensions, allowing straightforward installation without shaft modification.
- Protects Belt Life: — A correctly sized and properly seated pulley reduces uneven belt wear and prevents belt slippage, extending the service interval of the full drive system.
The drive pulley on a walk-behind power trowel transfers engine or motor power to the belt drive system, which in turn spins the trowel blades at the correct speed for finishing concrete. The AK-51 x 3/4 pulley is sized to a specific sheave diameter and bore to maintain the designed belt ratio — if the pulley is worn, cracked, or incorrectly sized, belt slip or misalignment will follow, resulting in inconsistent blade speed and uneven concrete finishing. Replacing a worn pulley with the correct Multiquip 0740 restores consistent power transfer and keeps the trowel operating at its intended blade RPM.
DHS Equipment supplies genuine Multiquip OEM replacement parts. For fitment questions or help confirming this part is correct for your serial number, contact our parts team directly.
Part Details
| Part Number | 0740 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pulley AK-51 x 3/4 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Walk-Behind Power Trowels | CA4HC/CA5BC |
| International Walk-Behind Power Trowels | J SERIES CHINA |
| Walk-Behind Trowels | EPOXY-SERIES |
| Walk-Behind Trowel | HPHA-46-SERIES |
| Walk-Behind Trowels | HPLA46411H |
| Walk-Behind Trowels | HPHA46411H |
| C and CA Series | CA4HC |
| Walk-Behind Trowels | JA-SERIES |
| Walk-Behind Trowels | HPLA-HPHA-36 |
| International Walk-Behind Power Trowels | B SERIES CHINA |
| Heavy Duty Series | HPHA36C5H |
| Walk-Behind Trowels | B-SERIES |
| Walk-Behind Trowels | J-SERIES |
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.
