MechMaxx B150 6-Inch Drum Wood Chipper - 11.7HP Electric Start HONDA GX390 – 4 Wheel Towable (110805)

Heavy-Duty 6-Inch Wood Chipper with Honda GX390 Engine, Electric Start & 4-Wheel Design

Take on demanding tree cleanup, land clearing, and wood chipping projects with the MechMaxx B150 6-Inch Gas Powered Drum Wood Chipper. Powered by a dependable Honda GX390 11.7 HP, 389cc gasoline engine, this heavy-duty wood chipper is engineered to process branches and woody material up to 6 inches in diameter.

Designed for professional landscapers, tree care specialists, property owners, and equipment rental businesses, the B150 combines trusted Honda engine performance with an efficient drum cutting system, electric starting, and a versatile four-wheel chassis.

Its large 13.8-inch cutting drum, two reversible steel cutting blades, and centrifugal clutch work together to provide effective chipping performance. The 360-degree rotating discharge chute allows operators to direct wood chips where needed, while integrated emergency stop controls and safety interlocks provide additional operator protection.

Equipped with rear DOT-approved tubeless tires, foldable front support wheels, integrated taillights, a 7-pin trailer connector, and a 2-inch tow coupler, the B150 is designed for convenient worksite transportation, subject to the manufacturer's towing requirements.

Whether you're clearing fallen trees, maintaining wooded acreage, or processing branches from landscaping projects, the MechMaxx B150 Honda-Powered Wood Chipper offers a combination of reliable engine performance, heavy-duty construction, and operator convenience.

Key Features & Benefits

• Reliable Honda GX390 Gas Engine: Powered by a 389cc Honda GX390 single-cylinder gasoline engine with a published 11.7 HP rating, designed for dependable performance in demanding outdoor power equipment applications.

• Up to 6-Inch Chipping Capacity: Handles branches and woody material up to 6 inches in diameter, making it ideal for tree trimming, storm debris cleanup, and property maintenance.

• Convenient Electric Start: Features a key-operated electric starting system positioned near the feeding chute for convenient access and operation.

• Heavy-Duty Drum Cutting System: Equipped with a 13.8-inch cutting drum that provides rotating momentum to help process larger branches and woody debris.

• Two Reversible Double-Edged Blades: Features two durable A8 steel cutting blades with reversible cutting edges to help extend blade service life.

• 360-Degree Rotating Discharge Chute: Easily direct processed wood chips toward a designated collection area, trailer, or mulch pile without repositioning the machine.

• Versatile Four-Wheel Design: Features two large rear tires and two smaller folding front support wheels for convenient transportation and worksite positioning.

• Foldable & Lockable Front Wheels: Front wheels can be lowered for positioning the chipper or folded upward during towing.

• Integrated Taillights & 7-Pin Trailer Connector: Allows the trailer lighting system to connect to a compatible towing vehicle for synchronized brake and turn signal operation.

• 2-Inch Tow Coupler: Provides a convenient connection point for compatible towing equipment.

• 48-Inch Wheelbase: Wide rear wheel spacing helps provide stability during transportation and worksite positioning.

• Dual Emergency Stop Controls: Equipped with an emergency stop button and a press bar near the feeding chute for quick access in an emergency.

• Automatic Safety Interlocks: Designed to shut down the engine when either the feeding or discharge chute is opened.

• Easy Maintenance Access: Hinged feeding and discharge chutes feature quick-release latches for convenient cleaning, blade inspection, and maintenance.

• Heavy-Duty Kevlar Belt Drive: Two Kevlar V-belts and a centrifugal clutch transfer power from the Honda engine to the cutting drum.

• Durable Steel Chassis: Heavy-duty construction is designed for demanding outdoor environments and frequent equipment use.

• 2-Year Manufacturer's Warranty: Published manufacturer specifications list a two-year warranty for both the engine and machine, subject to applicable terms and conditions.

Reliable Honda GX390 Engine with Electric Start

At the heart of the MechMaxx B150 is the Honda GX390 gasoline engine, part of Honda's GX Series of commercial-grade engines known for dependable performance and long service life.

With 389cc displacement, a single-cylinder four-stroke OHV design, and air-cooled operation, the Honda GX390 delivers the power needed for demanding wood chipping applications.

The electric starting system adds convenience by allowing operators to start the machine using a key-operated ignition switch positioned near the feeding chute.

The Honda GX390 is engineered for use in demanding power equipment applications, making it an excellent choice for property owners and professionals who value dependable engine technology.

Honda GX390 Engine Highlights:

• Honda GX390 gasoline engine

• 11.7 HP published engine rating

• 389cc engine displacement

• Single-cylinder, four-stroke OHV design

• Air-cooled engine

• Electric starting system

• Convenient key-operated ignition

• Designed for commercial power equipment applications

• Recommended 10W-30 engine oil

• Uses clean, fresh unleaded gasoline

Heavy-Duty 6-Inch Drum Cutting System

The MechMaxx B150 features a robust drum-style cutting system designed to process branches and woody material up to 6 inches in diameter.

The cutting drum measures approximately 13.8 inches in diameter and 12 inches in length. Its rotating mass helps maintain cutting momentum when processing larger branches.

Two double-edged, reversible steel cutting blades work with a fixed anvil to chip incoming wood into manageable material.

The blades are manufactured from A8 (5Cr8MoVSi) steel and can be reversed when one cutting edge becomes worn, helping extend their usable service life before replacement is required.

Cutting System Highlights:

• Maximum rated chipping diameter: 6 inches

• Heavy-duty drum cutting system

• 13.8-inch cutting drum diameter

• 12-inch drum length

• Two reversible, double-edged cutting blades

• One fixed anvil

• A8 (5Cr8MoVSi) blade material

• Published 20:1 reduction ratio

• Two Kevlar V-belts

• Centrifugal clutch drive

The heavy-duty drum cutting system makes the B150 suitable for processing branches, tree limbs, and woody debris generated during landscaping, property maintenance, and land clearing.

Four-Wheel Design for Convenient Transportation

The MechMaxx B150 features a versatile four-wheel chassis designed to simplify moving and positioning the chipper around a worksite.

Two large rear tubeless tires provide support during towing, while the smaller front wheels help operators position the machine when disconnected from a towing vehicle.

The front wheels feature a foldable and lockable design. When transporting the machine, the front wheels fold upward. At the worksite, the wheels can be lowered and locked to assist with positioning.

Transportation Features:

• 2-inch trailer tow coupler

• Two 19 x 7.00-8 rear tubeless tires

• Two 13 x 5.00-6 front support tires

• DOT-approved rear tires

• 48-inch wheelbase

• Foldable and lockable front wheels

• Integrated trailer taillights

• 7-pin trailer electrical connector

• Heavy-duty steel chassis

The integrated taillights connect to a compatible towing vehicle's electrical system to support synchronized brake and turn signal operation.

360-Degree Rotating Discharge Chute

The B150 features a 360-degree rotating upper discharge chute that allows operators to direct processed wood chips toward a desired collection area.

Whether you're filling a suitable collection trailer, creating a mulch pile, or directing wood chips away from your work area, the adjustable discharge chute provides flexibility without constantly repositioning the entire machine.  The heavy-duty chute features formed and welded construction and can be opened for maintenance access to the cutting chamber.

Discharge Chute Benefits:

• Full 360-degree rotation

• Adjustable wood chip discharge direction

• Convenient collection-area positioning

• Hinged opening for maintenance access

• Heavy-duty construction

• Easier cleaning and blade inspection

Operator Safety & Convenient Maintenance

The MechMaxx B150 incorporates several safety and maintenance features designed to improve operator convenience.

Emergency Stop Button: Located above the feeding chute for quick access during operation.

Emergency Stop Press Bar: Positioned near the lower portion of the feeding chute to provide an additional emergency shutdown control.

Feed Chute Safety Interlock: Designed to shut down the gasoline engine when the feeding chute is opened.

Discharge Chute Safety Interlock: Designed to shut down the engine when the discharge chute is opened.

Quick-Access Maintenance Openings: The feeding and discharge chutes feature hinged openings and convenient latches for blade inspection, cleaning, and routine servicing.

These features help facilitate safer maintenance procedures and provide convenient access to the machine's cutting components.

Product Specifications

Ideal Applications

The MechMaxx B150 Honda-powered wood chipper is designed for a variety of outdoor applications, including:

• Professional tree trimming and branch disposal

• Residential and commercial property maintenance

• Landscaping and tree care businesses

• Storm debris and fallen branch cleanup

• Woodland and acreage management

• Land clearing and vegetation cleanup

• Producing wood chips for landscaping and mulch

• Farm, ranch, and large-property maintenance

• Municipal grounds maintenance

• Equipment rental businesses

Frequently Asked Questions

What is the maximum branch diameter the MechMaxx B150 Honda can handle?

The MechMaxx B150 is rated to chip branches and woody material up to 6 inches in diameter. Actual performance depends on wood species, moisture content, hardness, branch shape, and material condition.

What engine powers the MechMaxx B150 Honda model?

This version of the B150 is powered by a Honda GX390 gasoline engine with 389cc displacement and a published 11.7 HP rating.  The engine features a single-cylinder, four-stroke OHV design and air-cooled operation.

Does the MechMaxx B150 Honda have electric start?

Yes. The B150 Honda features a key-operated electric starting system positioned near the feeding chute for convenient engine startup.

What is the difference between the HONDA, KOHLER, and ZONSEN versions of the B150?

All three versions share the same basic B150 platform, including a 6-inch chipping capacity, drum cutting system, electric start, four-wheel design, and rotating discharge chute.  The primary differences are the engine manufacturer, displacement, published horsepower, and warranty terms.

• HONDA GX390: 389cc, 11.7 HP

• B150 110804 KOHLER CH440: 429cc, 14 HP

• ZONSEN GB420: 420cc, 15 HP

What type of cutting system does the B150 use?

The B150 features a heavy-duty drum cutting system with a 13.8-inch diameter drum, two reversible double-edged steel blades, and one fixed anvil.  A centrifugal clutch and two Kevlar V-belts transfer engine power to the cutting system.

Can the MechMaxx B150 Honda be towed?

The B150 includes a 2-inch tow coupler, rear DOT-approved tubeless tires, integrated taillights, and a 7-pin trailer connector.

Does the B150 have a rotating discharge chute?

Yes. The B150 features a 360-degree rotating discharge chute, allowing operators to direct wood chips toward a designated collection area without repositioning the machine.

Are the cutting blades reversible and replaceable?

Yes. The B150 uses two reversible, double-edged steel cutting blades that can be serviced or replaced when necessary.  The reversible design helps extend blade service life by providing a second cutting edge.

What safety features are included?

The B150 includes an emergency stop button, emergency stop press bar, and safety interlocks designed to shut down the engine when either the feeding or discharge chute is opened.

What type of gasoline and engine oil does the Honda B150 use?

The manufacturer specifies clean, fresh unleaded gasoline and recommends 10W-30 engine oil.  Refer to the Honda GX390 owner's manual for complete engine maintenance, lubrication, and fuel recommendations.

How much does the MechMaxx B150 Honda weigh?

The B150 Honda has a published net weight of approximately 573 pounds and a gross shipping weight of approximately 639 pounds.

Does the MechMaxx B150 require assembly?

The B150 ships in a protective plywood shipping case with manufacturer assembly instructions. Some assembly and pre-operation preparation are required before initial use.

What warranty comes with the MechMaxx B150 Honda wood chipper?

The manufacturer's current product specifications list a two-year limited warranty for the machine and a two-year engine warranty.

Warranty coverage is subject to the manufacturer's applicable terms, conditions, and exclusions.

Why Choose the MechMaxx B150 Honda 6-Inch Wood Chipper?

The MechMaxx B150 Honda 6-Inch Drum Wood Chipper is an excellent choice for property owners and professionals seeking heavy-duty wood chipping performance backed by trusted Honda engine technology.

Powered by the Honda GX390 gasoline engine, the B150 combines dependable engine performance with an efficient drum cutting system, reversible steel blades, and convenient electric starting.

Its four-wheel chassis, 360-degree discharge chute, and integrated safety controls provide additional convenience for demanding landscaping, forestry, and property maintenance applications.

Whether you're clearing fallen branches, processing tree debris, or maintaining a large property, the MechMaxx B150 Honda wood chipper delivers the versatility and durability needed for efficient outdoor work.

Manuals & Documentation 

B150 Product Manual

Honda GX390 B150 Manual

B150 Assembly Guide

MechMaxx 6-Inch Wood Chipper Comparison