Briggs & Stratton Vanguard 35 HP (993 cc) Big Block V‑Twin Engine – Model 613477‑xxxx

Engineered for the toughest commercial and industrial applications, this 993 cc V‑twin “Big Block” delivers a full 35 HP gross. Built with a rugged cast‑iron Dura‑Bore™ cylinder sleeve and full‑pressure lubrication system, it ensures long service life under heavy load. Featuring OHV design, spin‑on oil filter, high‑capacity air cleaner, and EPA-compliant emissions, it’s ideal for zero‑turn mowers, pressure washers, chipper/shredders, and more. Precision-balanced with a low-vibration fan, it offers reliable starts and consistent performance even in harsh environments.

Key Specs

• Gross power: 35 HP

• Displacement: 993 cc

• Bore × stroke: 86 mm × 87 mm

• Dry weight: ~56.7 kg

• Shaft type: Horizontal, ~1 1/8″ (~29 mm), 4″ long

• Lubrication: Full-pressure with cooler

• Filtering: Multi-stage centrifugal

• Emissions: EPA compliant

Ideal for heavy-duty outdoor equipment requiring high torque and commercial-grade durability.