Johntruck Lawn Mower Charge Pump Kit for Hydro-Gear ZT Transmissions | ZT2800/ZT3100/ZT3400 | HG71411 HG72274

Overview

The Johntruck Lawn Mower Charge Pump Kit is a purpose-built aftermarket replacement designed to work with Hydro-Gear ZT2800, ZT3100, ZT3400 and G700-series transaxles. If your mower is from Hustler, Scag, or other brands that use these transaxles, this kit fits as a precise substitute for aging components.

Compatibility and Fit

Replace aging aluminum charge pump parts with a copper-bodied kit crafted for dependable sealing. It replaces common references #71411, HG71411, HG72274, and PXHG72274, helping you refresh the transmission without a full side swap.

• Designed for Hydro-Gear ZT2800, ZT3100, ZT3400 and G700-series transaxles
• Works with Hustler, Scag, and other brands that use these transaxles

Material Quality and Sealing

The kit uses high-quality copper components with a long-lasting rubber o-ring, delivering durability with good wear and corrosion resistance and a strong seal under varying operating temperatures.

• Copper pump body and resilient o-ring for dependable sealing
• High temperature resistance and wear resistance for longer life

Easy Installation and Use

Includes the pump kit and o-ring plus a straightforward installation guide. Pay close attention to cap orientation and direction when removing the old unit so the new pump drives correctly on first startup.

What You Get

• 1x charge pump kit with o-ring
• 1x installation instruction

Why It Matters

Replacing a single kit rather than the entire side can save you time and money while helping restore your mower’s performance. This replacement can help address oil leaks associated with the transaxle pump and minimize downtime on busy mowing days.

If you have questions, the team is ready to help you choose the right part and walk you through the installation.