Exmark 135-5259 Tach/Hour Meter Z-Spray

What It Is

The Exmark 135-5259 Tach/Hour Meter is a replacement gauge for Z-Spray series zero-turn mowers. It displays engine RPM (tachometer) and total operating hours, used for tracking maintenance intervals and monitoring engine speed.

Fitment & Compatibility

This is an OEM Exmark part, designed specifically for Z-Spray models (e.g., Z-Spray 60", 72"). Before buying, verify your mower’s model number and serial number against Exmark’s compatibility list—this meter is not universal. Check the wiring connector type (likely a 2-pin Deutsch or similar) and mounting hole pattern (typically 2.5" center-to-center). If your mower uses a different meter, you may need a wiring adapter or to splice wires. Measure the existing meter’s dimensions (approx. 2" x 1.5") to confirm fit in the dash panel.

Key Things to Know

• Installation difficulty: Easy—disconnect battery, unplug old meter, mount new one, reconnect. No special tools required.
• Accuracy: Users report the tachometer can be slightly off at high RPMs; check with a shop tach if precision is critical.
• Backlight: The LCD backlight may be dim in direct sunlight; test functionality before finalizing mounting.
• Durability: Some units fail prematurely (moisture ingress or connector corrosion). Apply dielectric grease to the connector if mower is stored outdoors.

Should You Buy It

Buy this if your Exmark Z-Spray’s original meter is dead and you want a direct OEM replacement with no wiring modifications. Skip it if you need a highly accurate tachometer for engine tuning, or if your mower is out of warranty—there are cheaper universal hour meters that work with minor wiring changes.