33.0 Gross HP* EFI/ETC

Features

V-Twin OHV Technology

Superior balance, low vibration, lower emissions, improved valve life, better fuel economy and higher HP/Weight.

Advanced Debris Management

Keeps engine clean and cool for enhanced durability and performance

Dura-Bore Cast Iron Cylinder Sleeve

Withstands wear while providing improved oil control

Vanguard EFI

Optimizes fuel injection and spark timing so the EFI engine delivers significant fuel savings, greater efficiency, easier starting and higher productivity.

Engine Warranty

Three year commercial engine warranty** for all applications

High Pressure Fuel Pump Module

Alcohol & Stale Fuel Resistance

Electric Control Module (ECU)

Allows for altitude compensation and optimized starting

Service Solution

Suite of support and diagnostic tools allows for minimizing potential downtime

Full Pressure Lubrication w/ Spin-On Oil Filter

Cleans oil and protects engine components to ensure maximum lubrication and long life

Centrally Located Oil Pump and Pickup

Faster priming and allows for a higher angle of operation

Oil Cooler

Reduces oil temperature, improves lubrication and extends oil change intervals

Heavy-Duty Cylinder and Sump

Engine block designed to provide superior durability

High Efficiency Head Design

Angled ports optimizes tumble and mixture preparation for improved efficiency, smoother idle, lower emissions and more power

Dynamically Balanced Crankshaft

Minimizes engine noise and vibration

Five-Inch Centrifugal Multi-Stage Air Cleaner

Provides maximum engine protection, especially under dirty and dusty conditions

Industrial Grade Solenoid Shift Starter

Quick reliable starts

Computer Controlled Electronic Ignition

Quick dependable starts with no maintenance required.

Engineered Resin Blower Housing, Phase Modulated Flywheel Fan & Large Volume Super Lo-Tone Muffler

Lowers noise level and improves sound quality

Electronic Throttle Control

Reacts instantly to any applied load from its environment to maintain smooth, consistent power in any condition.

CAN J1939 Communication

Easier interface within industry standard ECU communication protocol.

Specifications

Model

61A6

HP (gross) *

Engine Displacement (cc)

993

Engine Configuration

Vertical

Bore (in)

3.37

Stroke (in)

3.41

Weight (lbs)

125

Oil Capacity (oz)

Compression Ratio

8.2:1

Air Cleaner

Five-Inch Cyclonic Air Cleaner

Ignition System

Computer Controlled Battery Ignition

Lubrication System

Full Pressure Lubrication System with Oil Cleaner

Length (in)

22.09

Width (in)

20.24

Height (in)

24.65

Certified Power Rating

Download Power Curve

Commercial Engine Warranty**

3-Year Limited

Manuals

Illustrated Parts List - Chinese
Download

Illustrated Parts List - English

Support

Options

Oil Guard
Alternators 20 20-50amp
Oil Pressure Switch
Straight Keyed Cranks (1-1/8" & 1-7/16" Diameters)
High & Mid Mounted Mufflers
Tach/Hour Meter with Check Engine Light

Product Literature

Get more detailed information on what you can expect from Vanguard^® and our BIG BLOCK™ V-Twin engines by downloading our literature here.