The drop rate valve under a Boomer's seat decides whether a rear blade settles onto its pins or slams down on them, and the page that explains that knob is the difference between a clean hookup and a bent top link. This operator manual puts 296 pages of factory operating, maintenance, and troubleshooting instruction for the New Holland Boomer 45, Boomer 50, and Boomer 55 compact tractors on your screen as a PDF download.
Both cab and ROPS versions are covered: PTO operation, three-point linkage and drawbar setup, DPF regeneration, ballasting, daily and hourly service charts, and a symptom-based troubleshooting section spanning engine, clutch, brakes, hydraulic lift, steering, hydrostatic transmission, and electrical system. Wheel torque, tire pressures, and capacities sit in the specification tables at the back.
When the mower is hitched and the forecast gives you one dry afternoon, the bookmarked chapters take you from symptom to spec without waiting on the dealer.
Complete the set for your Boomer 45, Boomer 50, Boomer 55
Other edition of this manual
What's Inside This New Holland Boomer 45, Boomer 50, Boomer 55 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 9-20 | Note to the Owner, Tractor Intended Use, Emissions Overview, Electro-Magnetic Compatibility, Manual Scope, Product Identification Number |
| Safety Information | 21-76 | Safety Rules and Signal Word Definitions, Safety Rules, Do Not Operate Tag, Folding Roll Over Protective Structure, Starting Up the Machine Safely, Stopping the Machine Safely |
| Controls and Instruments | 77-134 | Access to Operator's Platform (Operator's Platform Access - Roll Over Protective Structure, Cab Door, Cab Side Window, Cab Rear Window) |
| Operating Instructions | 135-182 | Commissioning the Unit (Engine Break-In Procedure, Diesel Particulate Filter Regeneration, Engine Speed Management – Roll Over Protection Structure, Engine Speed Management – Cab, Power Take Off Operation - Cab, Power Take-Off - Roll Over Protective Structure, Three-Point Linkage, Attaching Three-Point Equipment, Extendable Drawbar - Cab, Extendable Drawbar - Roll Over Protective Structure -, Top Link Adjustment, Hydraulic Power Lift Drop Rate Control Valve, Roll Over Protective Structure Fold Up/Down) |
| Transport Operations | 183-194 | Road Transport (External Lighting - Cab, External Lighting - Roll Over Protective Structure -, Hazard Warning Light Operation - Cab, Hazard Warning Light Operation - Roll Over Protective Structure -, Turn Signal Operation - Cab, Turn Signal Operation - Roll Over Protective Structure, Road Lights - Operation - Cab, Road Lights Operation - ROPS, Work Lights - Operation - Cab, Work Lights - Operation - Roll Over Protective Structure, Driving the Vehicle) |
| Working Operations | 195-200 | Roll Over Protective Structure, Tractor Ballasting, Tractor Ballasting Weights |
| Maintenance | 201-266 | Maintenance Planning (Maintenance Chart: Roll-Over Protective Structure, Cab), Every 10 Hours or Daily (Engine: Oil Level - Check, Cooling System - Check) |
| Troubleshooting | 267-270 | Symptom (Engine - Troubleshooting, Clutch - Troubleshooting, Mechanical Service Brakes - Troubleshooting, Hydraulic Lift System - Troubleshooting, Steering - Troubleshooting, Hydrostatic Transmission - Troubleshooting, Electrical System - Troubleshooting) |
| Specifications | 271-284 | Wheel Tread Settings, Tire Inflation Pressures, Liquid Ballast, Consumables, Tractor Dimensions - Cab, Tractor Dimensions - Roll Over Protective Structure |
| Accessories | 285-286 | Optional Equipment |
| Forms and Declarations | 287-296 | Pre-Delivery Report - Dealer's Copy, Pre-Delivery Report - Owner's Copy |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Rear remote valves standard female quick couplers | 12.7 mm (0.5 in) | p. 116 |
| Auxiliary power outlet | 12 V, 10 A | p. 127 |
| Front Wheel Torque | 176 – 196 N·m (130 – 145 lb ft) | p. 221 |
| Hydrostatic Transmission (HST) oil filter replacement interval | 300 hours | p. 235 |
| Battery cold cranking ability | 660 A at -18 °C (0 °F) | p. 253 |
| Battery voltage | 12 V | p. 253 |
| Torque front wheel bolts and nuts | 176 – 196 N·m (130 – 145 lb ft) | p. 271 |
| Thermostat start to open | 76 °C (170 °F) | p. 273 |
| Thermostat fully open | 90 °C (194 °F) | p. 273 |
| Engine Oil Capacity (with filter) | 5.5 L | p. 211 |
| Fuel Tank Capacity (Cab) | 47 L | p. 211 |
| Fuel Tank Capacity (ROPS) | 40 L | p. 211 |
