Pro Tips, News & Events

If your EFI riding mower or zero-turn idles roughly, cranks long after refueling, or throws a P0443 or P0441 EVAP code, the purge valve is one of the first parts to suspect. This guide walks through the 7 bad purge valve symptoms that show up most often on John Deere, Cub Cadet, Husqvarna, Toro, and Bad Boy mowers — from check engine lights and hard starts to hesitation under load and fuel smell near the tank. You’ll also learn how to tell the valve apart from a loose fuel cap, cracked vapor hose, or bad vent solenoid before spending money on the wrong part.

Don’t let faulty wiring sideline your equipment. Our definitive guide to the 3 wire alternator wiring diagram shows you how to connect it right the first time. Learn each wire’s role and how to avoid costly errors.

Understanding the excavator controls doesn’t have to be so complicated. It’s as simple as the first time you learned to drive, from overwhelming at first to eventually automatic. The excavator controls work the same way. They come in two different joystick patterns: ISO vs SAE. Once you grasp the basic movements, operating them becomes second nature.

Choosing the right DEF pump comes down to four practical factors: refill volume, power source, container size, and whether you need mobile or yard-based transfer. A poor match can lead to corroded parts, contaminated fluid, and avoidable SCR system damage. This guide walks through every factor that matters—power options, flow rate sizing, DEF-safe materials, clean transfer practices, and cold-weather performance—plus the mistakes that cost operators the most money. Whether you’re outfitting a service truck, a busy yard, or a bulk fleet operation, you’ll find clear sizing charts, material compatibility rules, and setup recommendations to match your real workflow.

Wondering what coolant is compatible with John Deere Cool-Gard? You don’t have to buy the OEM brand. This guide shows how to choose a less expensive, compatible replacement by matching the technology (nitrite-free OAT) and specs (ASTM D7583), not the brand or color.

Each Carrier Unit has a decal attached to the frame of the unit inside the roadside door. You can find the decal on the bottom vertical frame next to the display. The decal identifies the model number of the reefer unit, the warranty ID number, the serial number, the type of refrigerant and the refrigerant charge.

Need to find the right parts for your truck? Our Freightliner VIN decoder guide makes it easy. We break down the 17-character VIN so you can identify the engine, chassis, and model year to ensure perfect part compatibility.

Summer storms, heavy rains and early morning fog are coming out of nowhere in the coming July. Your Honda’s wipers work harder than you might think. When they start streaking, squealing or skipping across the windshield, that’s a clear sign for a wiper blade replacement.
But what size windshield wipers do I need? Using the wrong wiper blade size can leave you with poor coverage and reduced visibility exactly when you need it most. In this guide, we’ll list the Honda wiper blade sizes by model to help you find the correct one.

A brake fluid change is a routine service on machines with a conventional DOT brake circuit — but not every machine has one. Many tractors, loaders, and other work machines use wet brakes or oil-immersed brake packs that share fluid with the transmission or hydraulic system, where standard DOT brake fluid replacement does not apply at all. This guide explains how to identify the brake system first, recognize when a brake fluid change is actually needed, choose the correct DOT fluid grade, and avoid the wrong-fluid mistakes that can damage seals, contaminate shared oil circuits, and reduce braking performance in the field.

Tackle electrical issues with our detailed Freightliner M2 fuse box diagram. Learn to locate the Power Distribution Module (PDM), understand the multiplexed system, and identify every fuse. Get step-by-step troubleshooting tips to get back on the road.

Rack and pinion steering is the most common system in modern vehicles to facilitate steering control. It involves a gear assembly of a rack and a pinion gear. This system makes the steering feel responsive and connected, providing efficient and precise control over the vehicle’s direction. While there are several types of steering systems used on the market, the two main ones are recirculating ball steering, which is mostly used for heavy vehicles, trucks and larger SUVs, and rack and pinion steering, which is commonly found on cars, small trucks and SUVs.

If you’ve ever wondered is coolant and antifreeze the same thing, the short answer is: not exactly. Antifreeze usually refers to the concentrated fluid, while coolant is the mixture that actually circulates through the engine. This article explains the difference, why a 50/50 mix is common, how coolant types vary, and what symptoms may point to a larger cooling-system problem. It also covers whether different coolants can be mixed, when to choose concentrate or pre-mix, and why water quality matters in off-road equipment maintenance.