The Multiquip 1A09123910 Metal Crankshaft D1403 is a genuine OEM component designed for D1403 engine applications. As an authentic Multiquip part, it is manufactured to the exact tolerances required for proper bottom-end operation, ensuring the crankshaft meshes correctly with connecting rods, bearings, and the flywheel assembly. This replacement is a direct-fit component for D1403-powered Multiquip equipment, making it the right choice when rebuilding or restoring engine integrity.
Key Features
- OEM-Grade Metallurgy — Cast and machined metal construction meets the dimensional and hardness specifications of the original D1403 crankshaft, supporting consistent journal surface finish and load-bearing capacity.
- Direct Bottom-End Fit — Engineered to the exact stroke geometry and journal dimensions of the D1403 engine block, allowing straightforward installation without reworking bearing housings or connecting rod clearances.
- D1403 Engine Compatibility — Confirmed fitment for D1403-powered Multiquip equipment; verify your engine model before ordering to ensure correct application.
- Restored Power Transfer — A worn or damaged crankshaft causes excessive vibration, oil leaks at main seals, and loss of compression; replacing with this part restores smooth rotational power transfer from piston to drivetrain.
- Critical Rotating Assembly Component — The crankshaft is a safety-critical internal engine part; using a properly spec'd OEM replacement helps maintain correct engine balance and reduces the risk of catastrophic bottom-end failure.
The crankshaft is the central rotating component of the engine's bottom end, converting the up-and-down motion of the pistons into the rotational output that drives the machine. It works in constant contact with connecting rods, main bearings, and crankshaft seals, and must maintain precise journal tolerances to sustain oil film pressure and prevent premature wear. When a crankshaft becomes scored, bent, or cracked — whether from lubrication failure, over-revving, or impact damage — the engine will develop knock, excessive vibration, or complete mechanical failure, making timely replacement essential to restoring safe and reliable operation.
Part Details
| Part Number | 1A09123910 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Metal Crankshaft D1403 |
Compatibility & Fitment
| Name | Model |
|---|---|
| D1403 | D1403 |
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.
