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INTRODUCTION

Safety rules

Workmaster™ 33

NA

Workmaster™ 37

NA

Personal safety

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all
safety messages that follow this symbol to avoid possible death or injury.

Throughout this manual and on machine decals, you will find the signal words DANGER, WARNING, and CAUTION
followed by special instructions. These precautions are intended for the personal safety of you and those working
with you.

Read and understand all the safety messages in this manual before you operate or service the machine.

DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. The

color associated with DANGER is RED.

WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.

The color associated with WARNING is ORANGE.

CAUTION, used with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result

in minor or moderate injury. The color associated with CAUTION is YELLOW.

FAILURE TO FOLLOW DANGER, WARNING, AND CAUTION MESSAGES COULD RESULT
IN DEATH OR SERIOUS INJURY.

Machine safety

NOTICE:

Notice indicates a situation which, if not avoided, could result in machine or property damage. The color

associated with Notice is BLUE.

Throughout this manual you will find the signal word Notice followed by special instructions to prevent machine or
property damage. The word Notice is used to address practices not related to personal safety.

Information

NOTE:

Note indicates additional information which clarifies steps, procedures, or other information in this manual.

Throughout this manual you will find the word Note followed by additional information about a step, procedure, or
other information in the manual. The word Note is not intended to address personal safety or property damage.

ACCIDENT PREVENTION

Most accidents or injuries that occur in workshops are the result of a non compliance to simple and fundamental
safety regulations. For this reason, IN MOST CASES THESE ACCIDENTS CAN BE AVOIDED by foreseeing possible
causes and consequently acting with the necessary caution and care.

Accidents may occur with all types of machines, regardless of how well the machine in question was designed and
built.

A careful and informed service technician is the best guarantee against accidents.

47881877 13/01/2016

8

Summary of Contents for Workmaster 33 Tier 4B

Page 1: ...ter 33 Workmaster 37 Tier 4B final Compact Tractor Printed in U S A 2016 CNH Industrial America LLC All Rights Reserved New Holland is a trademark registered in the United States and many other countries owned by or licensed to CNH Industrial N V its subsidiaries or affiliates ...

Page 2: ...SERVICE MANUAL Workmaster 33 33 HP compact tractor TIER 4B final Workmaster 37 37 HP compact tractor TIER 4B final 47881877 13 01 2016 EN Find manuals at https best manuals com ...

Page 3: ...arket Product Engine Workmaster 33 33 HP compact tractor TIER 4B final North America N843T F 24 Workmaster 37 37 HP compact tractor TIER 4B final North America N843LT F 27 47881877 13 01 2016 Find manuals at https best manuals com ...

Page 4: ...raulic release control 18 1 18 110 Clutch and components 18 2 Transmission 21 21 114 Mechanical transmission 21 1 21 130 Mechanical transmission external controls 21 2 21 140 Mechanical transmission internal components 21 3 21 182 Differential 21 4 Four Wheel Drive 4WD system 23 23 304 Four Wheel Drive 4WD gearbox 23 1 Front axle system 25 25 100 Powered front axle 25 1 25 108 Final drive hub stee...

Page 5: ...rking brake or parking lock 33 1 33 120 Mechanical service brakes 33 2 Hydraulic systems 35 35 000 Hydraulic systems 35 1 35 104 Fixed displacement pump 35 2 35 114 Three point hitch control valve 35 3 35 116 Three point hitch cylinder 35 4 35 204 Remote control valves 35 5 35 300 Reservoir cooler and filters 35 6 35 350 Safety and main relief valves 35 7 Hitches drawbars and implement couplings 3...

Page 6: ... 55 6 55 201 Engine starting system 55 7 55 202 Cold start aid 55 8 55 301 Alternator 55 9 55 302 Battery 55 10 55 404 External lighting 55 11 55 405 External lighting switches and relays 55 12 55 408 Warning indicators alarms and instruments 55 13 55 513 Cab transmission controls 55 14 55 610 Ground speed control 55 15 55 DTC FAULT CODES 55 16 47881877 13 01 2016 Find manuals at https best manual...

Page 7: ...47881877 13 01 2016 Find manuals at https best manuals com ...

Page 8: ...INTRODUCTION 47881877 13 01 2016 1 Find manuals at https best manuals com ...

Page 9: ...ervicing 13 Basic instructions Shop and Assembly 14 Basic instructions hardware 16 Torque Specification Tables 17 General specification 22 General specification 27 Dimension 28 Consumables 31 Product identification 32 Product identification machine orientation 33 See content for specific models 47881877 13 01 2016 2 Find manuals at https best manuals com ...

Page 10: ...ork master 33 and 37 tractors Use this manual in conjunction with the operator s manual for complete operation adjust ment and maintenance information On NEW HOLLAND equipment left and right are determined by standing behind the unit looking in the direction of travel 47881877 13 01 2016 3 Find manuals at https best manuals com ...

Page 11: ... all drained fluids safely until you can dispose of the fluids in a proper way that complies with all local legislation and available resources Do not allow coolant mixtures to get into the soil Collect and dispose of coolant mixtures properly Do not open the air conditioning system yourself It contains gases that should not be released into the atmosphere Your NEW HOLLAND dealer or air conditioni...

Page 12: ...Points of sale are obliged to Accept the return of your used batteries Store the returned batteries in a suitable location Send the returned batteries to the battery manufacturer for recycling 47881877 13 01 2016 5 ...

Page 13: ...orded Front wind shield wash wipe Ground speed Hitch raise rear Engine oil pressure Rear wind shield wash wipe Differential lock Hitch lower rear Engine coolant temperature Heater temp erature control Rear axle oil tem perature Hitch height limit rear Coolant level Heater fan Transmission oil pressure Hitch height limit front Tractor lights Air conditioner FWD engaged Hitch dis abled Headlamp main...

Page 14: ...INTRODUCTION Safety rules Workmaster 33 NA Workmaster 37 NA BT09A213 1 47881877 13 01 2016 7 ...

Page 15: ...TION MESSAGES COULD RESULT IN DEATH OR SERIOUS INJURY Machine safety NOTICE Notice indicates a situation which if not avoided could result in machine or property damage The color associated with Notice is BLUE Throughout this manual you will find the signal word Notice followed by special instructions to prevent machine or property damage The word Notice is used to address practices not related to...

Page 16: ... operator is the best operator Most accidents can be avoided by observing certain precautions To help prevent accidents read and take the following precautions before operating this tractor Equipment should be operated only by those who are responsible and instructed to do so THE TRACTOR 1 Read the Operator s Manual carefully before using the tractor Lack of operating knowledge can lead to acciden...

Page 17: ...service operations are to be undertaken on parts that contain asbestos the essential precautions listed below must be observed Work out of doors or in a well ventilated area Dust found on the tractor or produced during work on the tractor should be removed by extraction not by blowing Dust waste should be dampened placed in a sealed container and marked to ensure safe disposal If any cutting drill...

Page 18: ...off the tractor and disconnecting the equipment 2 Do not wear loose clothing when operating the power take off or when near rotating equipment 3 When operating stationary PTO driven equipment always place all gear shift levers in neutral position 4 To avoid injury do not clean adjust unclog or service PTO driven equipment when the tractor engine is running 5 Ensure the PTO master shield is install...

Page 19: ...ng brackets which have suffered damage Doing so may weaken the structure and endanger your safety Secure any parts on the main frame or attach your safety frame with anything other than the special high tensile bolts and nuts specified Attach chains or ropes to the main frame for pulling purposes Take unnecessary risks even though your safety frame affords you the maximum protection possible 47881...

Page 20: ...lers reject any responsibility for damages caused by parts and or components not approved by the manu facturer including those used for the servicing or repair of the product manufactured or marketed by the manufacturer In any case no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and or components not approved by the ...

Page 21: ...icular to the seat once settled make sure that it makes contact with the thrust element if required to prevent damaging the seal lip on the shaft position a protective guard during installation operations O RING SEALS Lubricate the O RING seals before inserting them in the seats this will prevent them from overturning and twisting which would jeopardise sealing efficiency SEALING COMPOUNDS Apply o...

Page 22: ...be disconnected from the combine battery The electronic monitoring system and charging system will be damaged if this is not done Remove the battery ground cable Reconnect the cable when welding is completed WARNING Battery acid causes severe burns Batteries contain sulfuric acid Avoid contact with skin eyes or clothing Antidote EXTERNAL flush with water INTERNAL drink large quantities of water or...

Page 23: ...sts the bolt instead of tensioning stretching it The tension on the bolt is what holds the joint together Approximately 90 of the torque applied during assembly goes to overcoming friction between the parts The other 10 is used to tension stretch the bolt After assembly the frictional forces disappear which is the basis for the saying If it does not fail during assembly it will not fail in service...

Page 24: ... 53 1 2 57 42 73 54 87 64 113 83 123 91 159 117 76 56 108 80 9 16 81 60 104 77 125 92 163 120 176 130 229 169 111 82 156 115 5 8 112 83 145 107 174 128 224 165 244 180 316 233 153 113 215 159 3 4 198 146 256 189 306 226 397 293 432 319 560 413 271 200 383 282 7 8 193 142 248 183 495 365 641 473 698 515 904 667 437 323 617 455 1 289 213 373 275 742 547 960 708 1048 773 1356 1000 654 483 924 681 NOT...

Page 25: ...ue Torque measured in the direction of tightening the moment before the bolt nut starts to turn 2 Clamping Force Force equal to the tension in the fastener that clamps the parts together 3 Stabilized Torque Torque measured on a joint that has had a settling time after fastener installation and the torque is measured in the direction of tightening the moment after the bolt nut begins to turn 4 Proo...

Page 26: ...T use these torque values when values are given in a specified procedure NOTE Reuse of fasteners Fasteners that have been tightened above yield point during assembly should not be reused after disassembly They have been permanently deformed and the elastic range has been shifted closer to the ultimate tensile point NOTE Torque and Turn is a recommended procedure for manufacturing and service when ...

Page 27: ...herwise stated Generally Loctite 567 can be used for all fittings including stainless steel Loctite 565 is used for most metal fittings For high filtration zero contamination systems use Loctite 545 NPT PIPE FITTING TORQUE CHART Thread Size Torque Maximum 1 8 27 13 Nm 10 lb ft 1 4 18 16 Nm 12 lb ft 3 8 18 22 Nm 16 lb ft 1 2 14 41 Nm 30 lb ft 3 4 14 54 Nm 40 lb ft PIPE FITTING Nom SAE Dash Size Thr...

Page 28: ...EE FLARED FITTINGS O RING BOSS PLUGS ADJUSTABLE FITTING LOCKNUTS SWIVEL JIC 37 SEATS TORQUE TORQUE Size Tubing OD Thread Size Newton Meters Foot Pounds Newton Meters Foot Pounds mm in Min Max Min Max Min Max Min Max 4 6 4 1 4 7 16 20 12 16 9 12 8 14 6 10 5 7 9 5 16 1 2 20 16 20 12 15 14 20 10 15 6 9 5 3 8 9 16 18 29 33 21 24 20 27 15 20 8 12 7 1 2 3 4 16 47 54 35 40 34 41 25 30 10 15 9 5 8 7 8 14 ...

Page 29: ...ast iron Lubrication Pressure feed by oil pump Pressure feed by oil pump Capacities Fuel tank 28 L 7 4 US gal 28 L 7 4 US gal Cooling system 5 1 L 5 4 US qt 5 1 L 5 4 US qt Engine crankcase With Filter 4 2 L 4 4 US qt 4 2 L 4 4 US qt Rear axle transmission Includes hydraulics Gear 32 l 8 5 US gal 32 l 8 5 US gal HST 32 l 8 5 US gal 32 l 8 5 US gal Front axle 5 5 l 5 8 US qt 5 5 l 5 8 US qt Cooling...

Page 30: ...Type Dry disc Dry disc Number of clutches 1 1 Number of plates 1 1 Material Organic Organic Plate diameter 240 mm 9 4 in Transmission 12x12 Trans 240 mm 9 4 in Transmission 12x12 Trans Plate surface area 25133 mm 39 in 25133 mm 39 in Method of operation Foot Mechanical Foot Mechanical Pedal Free travel 20 30 mm 0 79 1 2 in 20 30 mm 0 79 1 2 in HST Transmission Number of range gears and speeds 3 3 ...

Page 31: ...os free Yes or No Yes Yes Number of plates 6 6 Plate diameter 90 0 mm 3 5 in 90 0 mm 3 5 in Plate surface area 3145 0 mm 4 9 in 3145 0 mm 4 9 in Actuation Switch Switch Number of splines 6 6 Shaft size 35 0 mm 1 4 in 35 0 mm 1 4 in Engine speed for 540 RPM rear PTO operation 2509 RPM HST 2509 RPM Gear 2509 RPM HST 2509 RPM Gear PTO Horsepower observed 19 2 kW 25 7 Hp HST 20 4 kW 27 4 Hp Gear 21 6 ...

Page 32: ... 12 km h 3 80 mph 6 12 km h 3 80 mph Range Mid 4th gear 7 54 km h 4 68 mph 7 54 km h 4 68 mph Range High 1st gear 9 39 km h 6 14 mph 9 39 km h 6 14 mph Range High 2nd gear 14 42 km h 8 95 mph 14 42 km h 8 95 mph Range High 3rd gear 18 71 km h 11 61 mph 18 71 km h 11 61 mph Range High 4th gear 23 07 km h 14 33 mph 23 07 km h 14 33 mph Gear position reverse Range Low 1st gear 1 13 km h 0 70 mph 1 13...

Page 33: ...0 14 6PR R4 Rear Agricultural 11 2 24 4PR R1 11 2 24 4PR R1 Turf 41 x 14 00 20 4PR R3 41 x 14 00 20 4PR R3 Industrial 43 x 16 20 4PR R4 43 x 16 20 4PR R4 Wheel bolt torques Front wheel disc to hub FWD 176 196 N m 130 145 lb ft 176 196 N m 130 145 lb ft Rear wheel disc to axle 176 196 N m 130 145 lb ft 176 196 N m 130 145 lb ft ROPS attaching bolt torques ROPS to rear axle 147 N m 108 lb ft 147 N m...

Page 34: ... Fuels it may be necessary to change the engine oil engine oil filter and fuel filter elements more frequently than with Diesel Fuels Biodiesel Fuel can remove rust and particles from the inside of on site fuel storage tanks that would normally adhere to the sides of the tank Like particle deposits that commonly occur with Diesel Fuel these particles can become trapped by the machine fuel filters ...

Page 35: ...6 mm 49 1 in 1246 mm 49 1 in Ind Tires 43 x 16 20 Dished In Only 1333 mm 52 5 in 1333 mm 52 5 in 4 WIDTH Maximum Rear Axle Outside to Outside of rear tire Ag Tires 11 2 24 Dished Out 1632 mm 64 2 in 1632 mm 64 2 in Turf Tires 41 x 14 00 20 Dished Out Only 1694 mm 66 7 in 1694 mm 66 7 in Ind Tires 43 x 16 20 Dished In Only 1687 mm 66 4 in 1687 mm 66 4 in 5 Top of ROPS Folding Down position Ag Tires...

Page 36: ... Position 2227 mm 87 7 in 2227 mm 87 7 in 7 WHEEL BASE FWD 1714 mm 67 5 in 1714 mm 67 5 in 8 LENGTH FWD 3074 mm 121 in 3074 mm 121 in WEIGHT With ROPS less tires HST FWD 1089 kg 2400 lb 1089 kg 2400 lb GEAR FWD 1084 kg 2390 lb 1084 kg 2390 lb 47881877 13 01 2016 29 ...

Page 37: ...INTRODUCTION NHIL15CT00475HA 1 47881877 13 01 2016 30 ...

Page 38: ...LAND AMBRA SUPER GOLD 15W 40 407414R2 18 93 l 5 US gal NEW HOLLAND AMBRA MULTI G 134 HYDRAULIC TRANSMISSION OIL 404787A1 18 93 l 5 US gal Transmission Hydraulic Oil NEW HOLLAND AMBRA F200A HYDRAULIC FLUID B17805 18 93 l 5 US gal 87299775 0 946 l 1 US qt Front Axle Gear Oil NEW HOLLAND AMBRA HYPOIDE 90 87299136 18 93 l 5 US gal Grease NEW HOLLAND AMBRA GR 9 MULTI PURPOSE GREASE 132096A1 Tube 14 oz ...

Page 39: ... of the front frame The numbers on the plate are important in the event your tractor should require future service NHIL15CT00338AA 1 The engine identification information plate 2 is located on the right hand side of the engine block behind the fuel injection pump NHIL13CT01158AA 2 47881877 13 01 2016 32 ...

Page 40: ...this equipment left hand and right hand are determined by standing behind the unit looking in the direc tion of travel NHIL15CT00344AA 1 Left hand view NHIL15CT00346AA 2 Right hand view NHIL12CT00671AA 3 Rear view NHIL15CT00345AA 4 Front view 47881877 13 01 2016 33 ...

Page 41: ...INTRODUCTION 47881877 13 01 2016 34 ...

Page 42: ...SERVICE MANUAL Engine Workmaster 33 33 HP compact tractor TIER 4B final Workmaster 37 37 HP compact tractor TIER 4B final 47881877 13 01 2016 10 ...

Page 43: ...s 10 2 10 250 Turbocharger and lines 10 3 10 254 Intake and exhaust manifolds and muffler 10 4 10 304 Engine lubrication system 10 5 10 400 Engine cooling system 10 6 10 408 Oil cooler and lines 10 7 10 501 Exhaust Gas Recirculation EGR exhaust treatment 10 8 47881877 13 01 2016 10 ...

Page 44: ...Engine 10 Engine and crankcase 001 Workmaster 33 33 HP compact tractor TIER 4B final Workmaster 37 37 HP compact tractor TIER 4B final 47881877 13 01 2016 10 1 10 001 1 ...

Page 45: ...ine 10 Engine and crankcase 001 SERVICE Engine Remove Separating the tractor at the clutch housing engine 3 Remove Separating the tractor at the center case rear axle 7 Install 10 47881877 13 01 2016 10 1 10 001 2 ...

Page 46: ...emove retaining bolts 1 6 Carefully remove hood 3 NHIL13CT01204AA 2 7 Disconnect the main and engine wire harnesses 8 Disconnect and plug fuel inlet hose 5 at the fuel filter NHIL13CT00456AA 3 NOTE There is not a fuel shutoff valve in the fuel system To stop the fuel flow from the fuel tank the fuel inlet hose to the fuel filter has to be removed from the fuel filter base and a plug installed or t...

Page 47: ...ect drain oil and unfasten clamps 6 Remove suction hose 7 from tubes 8 NHIL13CT00454FA 4 10 Remove rear hood panel 9 NHIL13CT 00299A 5 11 Disconnect front high pressure tube 10 at front outlet valve block 11 NHIL13CT00386AA 6 47881877 13 01 2016 10 1 10 001 4 ...

Page 48: ...ain sling A to the two hoist eyes on the engine One located on the left hand side above the exhaust manifold the other on the right hand side to the rear of the injector rail Attach a suitable hoist to the chain sling Roll a floor jack B under the tractor from the rear of the tractor and place under the clutch housing Raise the jack enough to support the drive train 93105782 9 47881877 13 01 2016 ...

Page 49: ... shaft for separation from the transmission NHIL13CT00451AA 10 NOTE The hoist and or the floor jack may need to be raised or lowered to allow the separation of the engine from the clutch housing 16 Carefully roll the drive train C away from the engine D using the floor jack for support 93105783 11 47881877 13 01 2016 10 1 10 001 6 ...

Page 50: ...not lift the engine and front of the tractor 3 Drain transmission oil completely 4 Remove rear tires 5 Support rear axles NHIL15CT00344AA 1 6 Remove both fenders 1 and center panel 2 NHIL13CT00463AA 2 7 Remove front and rear seat supports 3 from the HPL top cover 4 NHIL13CT00465AA 3 8 Remove cover 5 from the top of the transmission housing 9 Disconnect wire harness from PTO solenoid valve NHIL13CT...

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