Pro Tips, News & Events

Hydraulic Control Valve Diagram and How It Works
Mar 20, 2026

Hydraulic Control Valve Diagram and How It Works

When your machine is jerky or weak, the issue is often a hydraulic valve. This guide explains the three main types—directional, pressure, and flow—using a clear hydraulic control valve diagram for each to help you fix common problems.

What Does the Check Gauges Light Mean and How to Fix It?
Mar 20, 2026

What Does the Check Gauges Light Mean and How to Fix It?

Your Check Gauges Light is on, but the fuel tank is full. So, what’s the real problem? This warning is your machine’s cry for help before a minor issue becomes a catastrophic failure. Learn the 4 gauges to check in seconds to decode the message and save yourself from a massive repair bill.

How To Test Your Torque Converter?
Mar 20, 2026

How To Test Your Torque Converter?

Testing a torque converter is essential when heavy equipment shows signs of power loss, slipping, or erratic behavior under load. This guide walks through practical diagnostic methods such as the stall-speed test and real-world drive checks to help distinguish between converter failure and transmission issues. By following a structured process—checking fluid condition, monitoring RPM, and interpreting test results—operators can avoid costly misdiagnosis and unnecessary part replacement. Early detection not only prevents further damage but also keeps machinery running efficiently, reducing downtime and maintenance costs across demanding off-road applications.

High-Lift vs. Mulching Blades: How to Choose?
Mar 20, 2026

High-Lift vs. Mulching Blades: How to Choose?

High-Lift vs. Mulching Blades: Is your mower leaving clumps or struggling to bag? The blade you choose is the secret to a perfect cut. Dive into our guide to see how suction-heavy high-lift blades stack up against eco-friendly mulchers and find the right upgrade for a flawless lawn.

Paccar vs Cummins Engine: Which One is Better?
Mar 19, 2026

Paccar vs Cummins Engine: Which One is Better?

The Paccar vs Cummins debate is a key consideration for fleet owners operating in demanding off-road environments. While both brands deliver reliable heavy-duty performance, their strengths differ in ways that directly impact daily operations and long-term costs. Paccar engines focus on integrated design and fuel efficiency, making them ideal for vocational applications where consistency and lower fuel consumption matter. Cummins engines, known for their versatility and high torque output, are better suited for heavy construction and mixed fleets that require flexible service options. Understanding these differences helps operators make smarter decisions, reduce downtime, and build a maintenance strategy that supports productivity and durability across their equipment fleet.

What Does SAE Mean on Oil? Engine Oil Grades Explained
Mar 19, 2026

What Does SAE Mean on Oil? Engine Oil Grades Explained

Unsure what does SAE mean on oil? This guide decodes the numbers. We explain how the Society of Automotive Engineers’ viscosity grades like 10W-40 work in hot and cold, helping you choose the best oil to protect your heavy equipment.

FridayParts at CONEXPO-CON/AGG 2026 Recap
Mar 18, 2026

FridayParts at CONEXPO-CON/AGG 2026 Recap

CONEXPO-CON/AGG 2026 gave FridayParts the opportunity to connect directly with equipment owners and fleet teams facing real-world maintenance challenges. Instead of focusing on product promotion, the conversations centered on practical solutions—how to identify the correct part under pressure, confirm fitment across different machine configurations, and avoid costly ordering mistakes. Visitors explored parts manuals, discussed common issues like missing part numbers and inconsistent configurations, and looked for reliable yet cost-effective aftermarket options. The event highlighted a clear need for structured sourcing processes, from collecting accurate machine data to bundling maintenance parts and verifying compatibility before purchase. By turning quick booth interactions into actionable guidance, FridayParts continues to support off-road equipment professionals in reducing downtime and improving operational efficiency long after the show ends.

Why Your Machine Needs a Flexible Coupling?
Mar 18, 2026

Why Your Machine Needs a Flexible Coupling?

Machine vibrations and failing bearings often hide a simple problem. A Flexible Coupling is the low-cost insurance your powertrain needs to prevent costly damage from shaft misalignment. Discover the 3 main types and how they work!

John Deere 855 Specs and Parts Lookup
Mar 18, 2026

John Deere 855 Specs and Parts Lookup

Get a complete overview of the John Deere 855 specs, from its 24-hp Yanmar engine to its hydrostatic transmission and lift capacity. This guide helps you understand your tractor’s capabilities and find the right parts for any repair.

Can Brake Cleaner Be Used as Starting Fluid?
Mar 17, 2026

Can Brake Cleaner Be Used as Starting Fluid?

Can brake cleaner be used as starting fluid? It’s a common question on a cold job site, but the answer is a firm no. Learn why using this powerful degreaser can cause catastrophic engine damage and what to check instead.

Freightliner Top 50 Common DTC Codes Fixes
Mar 17, 2026

Freightliner Top 50 Common DTC Codes Fixes

Freightliner DTC Codes are essential diagnostic tools that help identify faults in heavy-duty trucks and equipment powered by Detroit Diesel engines. By understanding the SPN and FMI structure, technicians can quickly pinpoint issues in fuel, air, electrical, transmission, and safety systems without guesswork. This guide covers the most critical and commonly encountered codes, along with their symptoms, causes, and practical repair steps. From low fuel rail pressure and coolant temperature warnings to CAN communication errors and ABS system faults, each code provides insight into how the machine is performing and what needs immediate attention. By following a structured troubleshooting approach and prioritizing repairs based on severity, operators and fleet managers can reduce downtime, prevent costly failures, and maintain reliable equipment performance in demanding work environments.

How to Choose the Right Pipe Coupling
Mar 17, 2026

How to Choose the Right Pipe Coupling

A cracked pipe can stop your machine cold. But what if you could fix it in minutes? A simple pipe coupling is the answer. Discover the 3 main types and our 5-step install guide to get your equipment sealed and back to work, fast. Don’t let a small leak cause a big delay!