ENGINE PACKED SINGLE CARTON 

New Briggs & Stratton Vanguard 37 HP EFI V-Twin Engine | MPN: 613777-0014-J1

Up for sale is a brand new, original equipment Briggs & Stratton Vanguard BIG BLOCK 37 Gross HP V-Twin Engine. Engineered for the most demanding commercial zero-turn mowers and industrial utility equipment, this 993cc vertical-shaft engine features an advanced Electronic Fuel Injection (EFI) system for maximum fuel efficiency and effortless starting in any weather condition.

This unit is brand new, never installed, and arrived directly from the factory as an "Engine Packed Single Carton" (meaning it is securely packaged in its standalone factory-reinforced shipping box with all internal protective molding intact).

⚙️ Engine Specifications & Features:

• Model / Spec: 613777-0014-J1 (Vanguard Big Block Series)

• Power Output: 37 Gross HP / 993cc Displacement

• Fuel System: Closed-Loop Electronic Fuel Injection (EFI)

• Crankshaft Size: 1-1/8" Diameter x 4-1/2" Length (Standard commercial zero-turn specification)

• Orientation: Vertical Shaft

• Starter: 12V Solenoid Shift Electric Start

• Air Cleaner: 5" Cyclonic Industrial Heavy-Duty Air Cleaner with Rain Cap

• Oil System: Configured for standard/premium multi-stage filtration

• Advanced Debris Management

  • Dura-Bore Cast Iron Cylinder Sleeve
  • Full Pressure Lubrication w/ Spin-On Oil Filter
  • EPA compliant: Which means it meets all stringent environmental standards, ensuring reduced emissions and a cleaner running engine.
  • *Briggs & Stratton uses Gross Torque (GT) to measure power on smaller engines and Gross Horsepower (GHP) for larger engines.

  • Crankshaft: 1-1/8" x 4-1/2"
  • Drilled & Tapped: 7/16-20
  • Keyway: 1/4"
  • Maximum RPM: 3600
  • Charging System: 20 Amp
  • Displacement: 993cc
  • Oil Capacity: 80oz
  993cc Displacement: Balances power and efficiency effectively.

   

🚜 Equipment Fitment & Application:

This factory spec is a direct drop-in replacement engine for premium commercial zero-turn mower brands (such as Ferris, Scag, Toro, Bad Boy, and Gravely) and various heavy industrial equipment platforms utilizing a 1-1/8" vertical shaft.

⚠️ Critical Buyer Checklists (Please Read Before Buying!)

1. Muffler System: Like all commercial replacement engines shipped directly from the Briggs & Stratton factory, a muffler manifold assembly is NOT included. You will need to reuse the existing exhaust system from your equipment.

2. Check Your Shaft Size: Please double-check your original engine's crankshaft dimensions before purchasing. This spec features a 1-1/8" diameter x 4-1/2" length output shaft.

3. Shipping Restrictions: Due to strict local environmental emission compliance regulations, this gasoline engine cannot be shipped to California addresses.

📦 Box Contents:

• 1x Brand New Vanguard 613777-0014-J1 Engine (Packed Single Carton)

• Official Vanguard Owner's / Operators Manual

• Factory Warranty Registration Documentation

🚀 Buy With Absolute Confidence

• Factory Sealed/Packed Single Carton: Never opened, never bolted down, and perfectly preserved in its heavy-duty factory carton.

• Secure Freight/Heavy Shipping: We safely palletize or extra-strap this package to guarantee the vertical crankshaft and plastic shrouds arrive undamaged.

• Expert Support: Not sure if this matches your mower's wiring harness or spec sheet? Send us a message with your equipment's model number and the stamp off your old engine block, and we will gladly cross-reference it for you!