Two seasons in, the DPF light on a Boomer 33 starts interrupting hay work and the instrument panel shows a code that means nothing until you look it up. This New Holland operator manual, publication 47578239, walks the Boomer 33 and Boomer 37 compact tractors end to end: controls and instruments, engine break-in, DPF regeneration, PTO operation, three-point linkage, ballasting, the maintenance chart, troubleshooting tables, and specifications, 214 pages in all.
Guessing on a compact diesel gets expensive fast: the wrong part, a second teardown, field time lost while the weather holds. The manual gives the service intervals, the procedures, and the torque values, wheel bolts at 176 to 196 N·m, so the job is done once.
It is a searchable PDF download, so it rides on a phone in the cab or prints for the bench, wherever the tractor is parked when the light comes on.
Complete the set for your Boomer 33, Boomer 37
Other edition of this manual
What's Inside This New Holland Boomer 33, Boomer 37 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 7-20 | Safety Rules Diesel Fuel, Biodiesel Fuel, Refueling the Tractor, Consumables |
| Safety Information | 21-54 | Precautionary Statements, Safety Rules, Do Not Operate Tag, Roll Over Protective Structure, Ecology and the Environment, Safety Signs, Instructional Signs, International Symbols |
| Controls and Instruments | 55-90 | Operator's Seat (Seat Belt, Seat Controls, Roll Over Protective Structure) |
| Operating Instructions | 91-126 | Commissioning the Unit (Engine Break-In Procedure, Diesel Particulate Filter Regeneration, Power Take-Off Operation, Three-Point Linkage, Attaching Three-Point Equipment, Extendible Drawbar, Hydraulic Lift Rocker, Hydraulic Power Lift Drop Rate Control Valve) |
| Transport Operations | 127-134 | Road Transport (External Lighting - Identification, Hazard Warning Light Operation, Turn Signal Operation, Road Lights Operation, Work Lights Operation, Rear Work Light, Driving the Vehicle) |
| Working Operations | 135-138 | Tractor Ballasting, Tractor Ballasting Weights, Liquid Ballast |
| Maintenance | 139-184 | Maintenance Chart, Every 10 Hours or Daily (Engine: Oil Level, Cooling System) |
| Troubleshooting | 185-190 | Symptom (Engine - Troubleshooting, Clutch - Troubleshooting, Hydraulic Service Brakes - Troubleshooting, Hydraulic Lift System - Troubleshooting, Steering - Troubleshooting, Hydrostatic Transmission - Troubleshooting, Electrical System - Troubleshooting) |
| Specifications | 191-202 | Wheel Tread Settings, Tire Inflation Pressures, Liquid Ballast, Tractor Dimensions |
| Accessories | 203-206 | Optional Equipment |
| Forms and Declarations | 207-214 | Delivery Report - Owner Copy, Delivery Report - Dealer Copy |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Rear remote valve coupler size | 12.7 mm (0.5 in) | p. 85 |
| ROPS bottom portion mounting bolts torque | 147 N·m (108 lb ft) | p. 153 |
| ROPS cross brace mounting bolts torque | 60 N·m (41 lb ft) | p. 153 |
| Front axle housing fluid capacity | 5.5 L (5.8 US qt) | p. 167 |
| Transmission, rear axle, and hydraulic system oil capacity (Gear transmission) | 32.0 L (8.5 US gal) | p. 168 |
| Cooling system capacity | 5.1 L (5.4 US qt) | p. 169 |
| Battery cold cranking ability | 660 A at -18 °C (0 °F) | p. 174 |
| Battery | 12 V, w/ negative ground, 80 / 660 cca BCI Group 34 | p. 196 |
| Thermostat start to open | 82 °C (179.6 °F) | p. 194 |
| Engine Oil Capacity (with filter) | 4.4L | p. 148 |
| Fuel Tank Capacity | 40L | p. 194 |
| Transmission/Rear Axle Oil Capacity (Gear) | 32L | p. 194 |







