How-tos

A leaking piston pump is rarely just a seal problem—it’s usually a mismatch between pump specifications, seal materials, and real working conditions. This guide explains why piston pump seals fail in off-road machinery, how to correctly identify pump models and build codes, and how to select a compatible seal kit that actually solves the leak instead of repeating it. From material selection and groove measurement to common resealing mistakes, this article helps equipment owners and technicians reduce wrong orders, prevent repeat failures, and restore hydraulic performance with confidence.

Our guide to coolant leak repair for heavy machinery shows you how to spot common signs, find the source of the leak, and perform the right fix to keep your equipment running.

Seeing code P2459? Don’t rush to replace your DPF! This code often points to a cheaper fix, like a bad sensor or a simple engine issue. Our guide reveals the true causes of P2459 and how to diagnose it correctly, saving you time and money. Stop guessing and start fixing!

SPN 100 FMI 1 is a serious engine oil pressure fault that can trigger derate or shutdown on off-road machinery. This guide explains what the code means, why it occurs, how to distinguish real low oil pressure from sensor-related false alarms, and the correct diagnostic steps to fix the issue while minimizing engine damage and downtime.

Plugging in your block heater all night? You’re likely wasting electricity. Discover the 2-4 hour sweet spot for a perfect cold start. We’ll show you how to use your block heater efficiently, save money, and avoid common safety hazards. It’s simpler than you think!

This article explains whether Diesel Exhaust Fluid (DEF) expires. DEF has a shelf life of 1-2 years but degrades due to contamination, sunlight, and heat. Discover proper storage methods and how to identify bad DEF to avoid engine power loss and costly repairs for your off-road equipment.

Low engine oil pressure is one of the most serious warnings an off-road machine can give. It doesn’t simply mean the oil level is low—it often signals that lubrication is no longer reaching critical internal components at the proper flow and force. In this guide, we explain what oil pressure really means, why it matters under heavy-duty operating conditions, the most common causes behind pressure loss, and the symptoms operators should never ignore. Understanding these warning signs early can help prevent major engine damage, costly downtime, and premature failure of essential engine components.

Ordering the wrong part is a costly mistake. Your CASE serial number is the key to getting it right, every time. Our 1-minute guide shows you exactly where to find the PIN on your machine and what it means. Stop guessing, start fixing!

When a windshield wiper motor fails on off-road machinery, visibility quickly becomes a safety risk rather than a minor inconvenience. This guide walks through what the wiper motor does, how to distinguish motor failure from electrical or linkage issues, and a practical, step-by-step replacement process tailored for cabbed construction and agricultural equipment. From real-world diagnostics to correct motor parking and installation tips, this article helps operators restore reliable wiping performance and avoid repeat downtime in harsh jobsite conditions.

Experiencing bad ignition control module symptoms? A failing ICM can cause your machine to stall, run rough, or fail to start. This guide covers the key warning signs, what causes the module to fail, and how to test it.

A JLG fault code has stopped your job. But what if the code isn’t the real problem? Our guide reveals the simple checks to decode JLG Fault Codes, find the root cause from engine to electrical, and fix it right. Stop guessing and get back to work fast!

How long does diesel fuel last? Typically 6-12 months, but it can degrade much faster. Oxidation, water, and microbes are the main culprits behind bad fuel, which leads to clogged filters and potential engine damage for your equipment.