Multiquip 9123 Engine 3.5 HP B&S

The Multiquip 9123 Engine 3.5 HP B&S is a genuine OEM powerplant designed for a wide range of Multiquip equipment including MTX50HD, MTX60HD, MTX70HD, MTX60HF, MTX70HF, MTX80HDR, MTX70HDR, and MTR40HF rammers, V30-W2-LD and V30-W2-R walk-behind rollers, MC3 Mix-N-Go mixers, HDA-Series walk-behind trowels, and JTO-Series and JTNSW-Series ride-on trowels. As a genuine OEM component sourced directly through Multiquip, the 9123 meets the exact specifications your equipment was built with — no guesswork on fitment or performance. This engine is a complete drop-in replacement, restoring your machine to full operational capability quickly and correctly. DHS Equipment stocks this part to help keep your fleet turning over on schedule.

Key Features

• Genuine OEM Power Output: — Factory-matched 3.5 HP Briggs & Stratton engine ensuring the correct torque curve and RPM range your Multiquip equipment was engineered around.
• Broad Cross-Equipment Compatibility: — Confirmed fit across MTX-series rammers, V30 walk-behind rollers, MC3 Mix-N-Go mixers, HDA-Series trowels, and JTO/JTNSW-Series ride-on trowels.
• Direct Mounting Compatibility: — Designed to connect directly to the existing engine mounts, throttle linkage, and recoil or starter interfaces on supported models without additional adapters.
• Sustained Field Performance: — A properly functioning engine maintains consistent compaction force, mixing torque, or finishing speed; a worn-out or seized engine brings the entire machine to a halt.
• Verified OEM Part Number: — Ordering by Multiquip part number 9123 ensures you receive the correct engine variant — B&S configuration — and not a mismatched substitution.

The engine is the core power source of the machine, converting fuel into the mechanical energy that drives every downstream system — whether that is the exciter mechanism in a rammer, the drum or blade drive in a mixer or trowel, or the vibratory roller assembly. When an engine loses compression, fails to start, or delivers inconsistent power, the entire machine becomes non-functional and productivity stops entirely. Replacing the engine with the correct Multiquip 9123 genuine OEM unit restores full rated output and brings the machine back to the performance level it was designed to deliver.

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.