Part of the New Holland Repair Manuals.
Wrenching on a New Holland MZ14H, MZ16H, or MZ18H Zero Radius Tractor? This 122-page repair manual PDF (OEM #87045363) covers all three models front to back, from the hydrostatic transaxle to the mower deck. Inside: full wiring diagrams for the kill relay, PTO switch, and electric clutch circuits, plus step-by-step transaxle procedures for neutral adjustment, tracking, and complete removal. You also get a full torque section, mower leveling and blade slope adjustments, and drive belt service for the chassis. Fill the transaxle with 1.6 to 1.7 quarts of SAE 20W-50, then torque the side housing screws to 135-185 lb-in. No more chasing electrical gremlins with a test light and a hunch. Bookmarked by system and text-searchable; pull it up on your phone, find the spec, and get back to mowing.
What's Inside This New Holland MZ14H, MZ16H, MZ18H Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 3-18 | Think Safety First, Hydrostatic Transaxles, Torque Specifications, Standard Torque for Dry, Zinc Plated, And Steel Fasteners, Other Torque Specifications |
| Model/Serial Number Location | 19-20 | Unit Model and Serial Number Plate, Engine Model and Serial Number Identification |
| Greasing and Lubrication | 21-22 | Pivot Castor Supports, Front Wheel Hubs, Multi-Purpose Grease |
| Transaxle | 23-70 | Hydraulic Schematic, Fluid Change Procedure, Neutral Adjustment, Tracking Adjustments, Brake Adjustment, Transaxle Removal |
| Chassis | 71-80 | Front Castor Fork, Castor Support, Side Panels, Gas Tank, Lift Arm Assembly, Drive Belts |
| Mower Decks | 81-96 | Mower Leveling, Blade Slope Adjustment, Mower Belt, Mower Removal, Mower Installation |
| Electrical System | 97-122 | Kill Relay, Solenoid, Ignition Switch, PTO Switch, Electric Clutch, Park Brake Switch |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Transaxle oil capacity | 1.6 to 1.7 qt. (1.5 to 1.6 liters) | p. 10 |
| Transaxle oil level | 3/4 in. (1.9 cm) from the top of the oil fill plug | p. 10 |
| Belt guide clearance | 1/32 to 1/8 inch (0.8 - 3 mm) | p. 86 |
| Belt inspection interval | 100 hours | p. 93 |
| Front-to-rear blade slope | 1/16 - 5/16 inch (1.6 - 7.9 mm) | p. 92 |
| Coil resistance | 2.40 ohms to 3.40 ohms | p. 108 |
| Clutch current draw | 3.5 amps or above | p. 109 |
| Engine Oil Capacity | 1.75 qt. | p. 5 |
| Fuel Capacity | 2 Gallon | p. 5 |
| Maximum Engine Speed | 3300 RPM | p. 5 |
| Transaxle Oil Type | SAE 20W-50 | p. 10 |
| Tire Pressure Front | 35 psi | p. 6 |


















