• Description
  • Why Buy From Us

Mi-T-M ChoreMaster Series Gasoline Direct Drive - CM-4200-0MMB

The Mi-T-M ChoreMaster CM-4200-0MMB Gasoline Direct Drive Pressure Washer delivers uncompromising power and performance for the toughest cleaning tasks. With an impressive 4200 PSI and 3.4 GPM flow rate, this machine is engineered for serious users who demand professional-grade results. Featuring a durable 420cc Mi-T-M OHV engine and a crankshaft pump built for longevity, it’s perfect for cleaning heavy equipment, vehicles, and industrial surfaces. Built on a rugged steel frame with 10-inch flat-free tires, the CM-4200-0MMB combines power, mobility, and durability in one outstanding unit.

Why You'll Love the Mi-T-M ChoreMaster CM-4200-0MMB

  • Powerful 420cc Mi-T-M OHV engine delivers professional-grade cleaning capability.
  • High-performance output with 4200 PSI and 3.4 GPM for maximum cleaning efficiency.
  • Durable construction featuring a powder-coated steel frame built to last.
  • Easy mobility with 10-inch flat-free tires for smooth transport across job sites.
  • Comprehensive cleaning accessories included for all types of surfaces and applications.

Perfect For:

  • Contractors and property maintenance professionals
  • Heavy-duty cleaning of vehicles, machinery, and construction equipment
  • Farms, workshops, and large facilities
  • Driveways, patios, and concrete surfaces
  • Industrial and commercial cleaning tasks

Key Features and Benefits

  • Pump: Equipped with Mi-T-M Pressure Relief Start, thermal relief valve, in-line water strainer, and a built-in low-pressure detergent injector for safe, efficient operation.
  • Frame: Sturdy, powder-coated steel frame with 10-inch flat-free tires for enhanced durability and easy maneuvering.
  • Accessories: Includes quick-connect nozzles (15°, 25°, and detergent), a 50-foot x 3/8-inch wire-braided hose, and a two-piece 36-inch lance with trigger gun for precise cleaning control.
  • Engine: Reliable 420cc Mi-T-M OHV engine delivers consistent, high-powered performance.
  • Compliance: All gasoline models sold in California require CARB-compliant engines (consult factory for details).

Specifications

PSI 4200
GPM 3.4
Displacement / Engine 420cc Mi-T-M OHV
Pump Mi-T-M, Crankshaft
Unloader Adjustable Pressure
Net Weight 142.00 lbs.
Shipping Weight 192.00 lbs.
Length 40.00 in.
Width 22.50 in.
Height 24.50 in.

Documents

Spec Sheet

Manual

Innovation and Reliability at Our Core

At Machine Horizon, we believe that powerful machines drive progress. Our mission is to make advanced technology accessible to creators, engineers, and businesses across industries—from precision CNC and milling to farming, printing, and laboratory equipment.

We’re dedicated to providing reliable, high-performance machines that help you produce, build, and innovate with confidence. Every product we offer is carefully selected for its engineering quality, efficiency, and long-term value.

A Customer-First Approach

We’re more than an online store—we’re your partner in finding the best machine for your need. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you’re exploring, seeking expert advice, or need ongoing support, our specialists are always just a call or email away.

Passion for Machinery & Resilience


Our brand is built on a deep respect for craftsmanship, performance, and reliability. We understand how important the right equipment is to your success—that’s why we focus on machines that combine innovation with lasting durability. From small workshops to large production facilities, Machine Horizon provides solutions that help you work smarter, faster, and better.

Trusted Experts, Curated Brands


We partner directly with industry-leading manufacturers across multiple sectors to ensure every product meets our standards for quality and performance. Our curated selection means you can shop with confidence, knowing each machine is backed by expert support and full manufacturer warranties.

More Reasons to Choose Machine Horizon

  • Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
  • Free Shipping – Enjoy free delivery on most* orders across the lower 48 U.S. states.
  • 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
  • Exclusive Packages & Volume Discounts – Custom pricing available for workshops, labs, schools, and bulk orders.
  • Authorized Dealer – Every order is protected with full manufacturer support and warranties.


With Machine Horizon, you don’t just buy equipment—you invest in performance, precision, and long-term reliability

Frequently Asked Questions

Yes! We provide free and fast shipping on orders within the continental United States.
Most orders ship out within 1–3 business days and arrive within 5-7 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-720-5193 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

Related Products