Part of the New Holland Repair Manuals.
Factory document 47901826 is the number New Holland stamped on it, and this New Holland Boomer 37 Owner's Manual PDF carries all 230 pages of the operator manual for the Boomer 37 compact tractor. Maintenance claims the largest block of the book, walking from ten-hour daily checks through the 1000 hour air cleaner and coolant flush, each on the interval chart. Troubleshooting tables sort symptoms by system: engine, clutch, hydraulic service brakes, steering, hydrostatic transmission, electrical. Controls and instruments run long: engine fault code display, draft control, differential lock pedal, rear remotes. Fill the crankcase with 4.2 l (4.4 US qt) including the filter, and swap the fuel filter after the first 50 hours, then every 500 operating hours after that. Your day stops on one missing number. Bookmarked and text-searchable, it hands you the spec and the part detail so the order goes out right the first time and the tractor is back in the field.
What's Inside This New Holland Boomer 37 Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 9-20 | Safety Rules Diesel Fuel, Biodiesel Fuel, Refueling the Tractor, Organic Acid Technology Coolant, Change Engine Coolant to Organic Acid Technology Coolant |
| Safety Information | 21-48 | Precautionary Statements, Safety Rules, Do Not Operate Tag, Ecology and the Environment, Safety Signs, Instructional Signs, International Symbols |
| Controls and Instruments | 49-92 | Access to Operator's Platform (Cab: Door, Rear Window), Operator's Seat (Belt, Controls) |
| Operating Instructions | 93-130 | Commissioning the Unit (Engine Break-In Procedure, Diesel Particulate Filter Regeneration, Power Take-Off Operation) |
| Transport Operations | 131-138 | Road Transport (External Lighting - Identification, Hazard Warning Light Operation, Turn Signal Operation, Road Lights Operation, Work Lights Operation, Driving the Vehicle) |
| Working Operations | 139-142 | Tractor Ballasting, Tractor Ballasting Weights |
| Maintenance | 143-202 | Maintenance Chart, Every 10 Hours or Daily (Engine: Oil Level - Check, Cooling System - Check) |
| Troubleshooting | 203-208 | Symptom (Engine - Troubleshooting, Clutch - Troubleshooting, Hydraulic Service Brakes - Troubleshooting, Hydraulic Lift System - Troubleshooting, Steering - Troubleshooting, Hydrostatic Transmission - Troubleshooting, Electrical System - Troubleshooting) |
| Specifications | 209-220 | Wheel Tread Settings, Tire Inflation Pressures, Liquid Ballast, Capacities, Consumables, Tractor Dimensions |
| Accessories | 221-222 | Optional Equipment |
| Forms and Declarations | 223-230 | Delivery Report - Owner Copy, Delivery Report - Dealer Copy |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine oil capacity with filter | 4.2 l (4.4 US qt) | p. 154 |
| Injector line fitting torque | 24 - 29 N·m (18 - 21 lb ft) | p. 184 |
| Starting motor engagement limit | 10 seconds | p. 114 |
| Fuel filter replacement interval | First 50 h, then every 500 h | p. 176 |
| Battery cold cranking ability | 660 A at -18 °C (0 °F) | p. 187 |
| Coolant level below filler neck | 4 cm (1.6 in) | p. 182 |
| Thermostat: Start to open | 82 °C (179.6 °F) | p. 212 |
| Thermostat: Fully Open | 95 °C (203 °F) | p. 212 |
| Engine Oil Capacity (with filter) | 4.2 L | p. 212 |
| Fuel Tank Capacity | 47 L | p. 212 |
| Cooling System Capacity | 5.1 L | p. 212 |
| Front Wheel Bolt/Nut Torque | 176 - 196 N·m | p. 159 |
New Holland Boomer 37 Common Problems This Manual Covers
New Holland Boomer 37 cranks but will not start, or engine dies when you rise off the seat
Check the operator presence and interlock conditions in the starting procedures around page 93. Verify the range lever is in neutral, the PTO is disengaged, and the seat belt is fastened. Crank no longer than the 10 second limit on page 114, then rest the starter before trying again.
Manual Section: Engine Troubleshooting p. 203Hydrostatic drive loses power climbing hills or creeps to a stop under load
Check the hydrostatic transmission symptom chart on page 204 before touching anything. Verify the transmission and rear axle oil level on the dipstick with the tractor level and cold; HST capacity is 32.0 L per page 212. Top up with the specified oil, then inspect the rear cooler screen for packed chaff and dust.
Manual Section: Hydrostatic Transmission Troubleshooting p. 204Engine shuts down after an hour of work, then restarts once it cools off
Check coolant level first: it should sit about 4 cm below the filler neck per page 182, with the system holding 5.1 L as listed on page 212. Clean the radiator screen and grille of hay dust daily. Verify the thermostat opens at 82 C, since a stuck unit drives heat soak and shutdown.
Manual Section: Engine Troubleshooting p. 203Regeneration message appears on the dash and the tractor drops into DPF shutdown mode
Read the indicator and error code reference on page 56 and identify which regeneration stage is showing. Park clear of dry hay and stubble, set the throttle as directed in the regeneration instructions on page 96, and let the cycle finish. Keep engine oil at the 4.2 L fill listed on page 154 and use only approved low sulfur diesel.
Manual Section: Controls and Instruments p. 56Warning lights flicker and battery voltage reads high with no stored codes
Clean and tighten both battery posts and the frame ground strap first. Verify the battery meets the 660 A cold cranking rating on page 187 and that the electrolyte is not low. Check the charging symptoms in the electrical troubleshooting chart beginning on page 204, then inspect the alternator belt for glazing and slip.
Manual Section: Electrical System Troubleshooting p. 204Three-point hitch will not lift an implement or drifts down while parked
Verify the drop rate control valve is open and the lift rocker is set correctly, both covered in the three-point linkage instructions on page 94. Check hydraulic oil level, since the transmission sump feeds the lift and holds 32 L per page 212. Inspect the lift cylinder and remote couplers for weeping seals before harvest.
Manual Section: Hydraulic Lift System Troubleshooting p. 204Frequently Asked Questions
What are the engine fault codes for the New Holland Boomer 37?
The engine fault codes are displayed as AB## on the instrument panel. For example, code AB02 indicates a problem with the main or sub speed sensor, while AB04 relates to the foot throttle pedal position sensor. You should contact your authorized New Holland dealer for a detailed fault code analysis. p. 55
What are the replacement specifications for the fuel pre-filter on a New Holland Boomer 37?
The diesel fuel pre-filter should be replaced after the first 50 hours of operation, and then every 500 operating hours thereafter. When replacing, ensure the fuel filter sensor is installed with a new O-ring onto the new element. p. 156
What are the battery specifications for the New Holland Boomer 37?
The tractor is equipped with a BCI group 34, 12 V battery. It must have a minimum cold cranking ability of 660 A at -18 °C (0 °F). p. 187
What is the correct torque for the front and rear wheel bolts on a New Holland Boomer 37?
The wheel bolts and nuts for both the front and rear wheels must be tightened to a torque of 176 - 196 N·m (130 - 145 lb ft). p. 159
What is the engine oil capacity for the Boomer 37?
The engine oil capacity, including the filter, is 4.2 L (4.4 US qt). p. 154
What exactly do I receive with this New Holland Boomer 37 Owner's Manual?
You download the Owner's Manual yourself: 230 pages, searchable PDF, available immediately. Keep a copy on every device you use.
Am I free to print this New Holland Boomer 37 Owner's Manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
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