Part of the New Holland Parts Manuals.
Tracking down the exact factory numbers for your 1988-1993 Tractor Loader Backhoe is simple with this 462-page New Holland 555C parts catalog PDF. You get highly detailed exploded views of every single system, from the 4WD front axle down to the cab frame and interior trim. Open up the hydraulic and electrical sections to find complete component breakdowns, verifying you order the right loader spool valves and harness connectors the first time. Identify the exact internal parts for your DPS Rotary Fuel Injection pump or find the precise replacement seals for the 86604857 steering motor before making a trip to the parts counter. Stop wasting hours squinting at blurry diagrams on internet forums. Download this fully bookmarked digital file, jump directly to the multipurpose bucket assembly, and get your parts order submitted today.
What's Inside This New Holland 555C, 555C 4 CYL Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Fuel Injection Tube & Clamp Assembly, Fuel Tank & Related Parts, Fuel Sedimenter & Filter Assembly, Fuel Primer Assembly, Fuel Injector Assembly, Throttle & Foot Accelerator Controls, Air Cleaner Assembly | |
| Cooling System | Water Pump & Related Parts, Radiator & Related Parts, Security Cover Radiator Fill | |
| Engine | Hydraulic Oil Filter Assembly, Crankshaft, Camshaft, Pistons, Oil Pump & Oil Pan, Gasket Kits, Transmission Oil Cooler, Block Heater & Cold Start, Engine Hood & Grille, Engine Covers, Lubrication Equipment & Lubricants, Engine Coolant Heater Kits | |
| Electrical System | Headlamp, Lamp, Beacon Lamp, Worklamp, Tail Light, Fog Lamp, Plow Lamp, Outside Marker Lamp, License Plate Mounting & Lamp, Trailer Lamp Socket, Starter Motor, Alternator, Roof Harness | |
| Clutch & Transmission | Transmission Handbrake, 4WD Transmission Shaft, Transmission, Transmission Rear Cover & Related Parts, Transmission Front Cover & Related Parts, Transmission Valve Housing & Valve, Transmission Valve Tubes & Fittings, Transmission Clutch & Input Shaft, Transmission Countershaft & Gears, Transmission Reverse Idler Shaft & Gear, Transmission Output Shaft & Gears, Transmission Shift Lever & Dipstick, Shuttle Shift Control, Compressor & Clutch | |
| Rear Axle, Differential & Brakes | Rear Wheels, Rear Wheel Weights - 24", Brakes & Brake Controls, Twin Cable Handbrake Lever & Cables, Rear Axle Differential & Related Parts, Rear Axle Differential Lock Linkage, Rear Axle Center Housing & Related Parts | |
| Front Axle & Steering | Front Wheel Assembly, Front Axle & Related Parts, Steering Hoses & Related Parts, Steering Motor & Column, Power Steering Motor & Related, Power Steering Pump & Reservoir, Power Steering Cylinder, 4WD, 4WD Front Axle, 4WD Differential Box, 4WD Bevel Gear & Pinion Set, 4WD Reduction Gears, 4WD Steering Arms & Tie Rod, 4WD Drive Shafts, 4WD Gearbox, 4WD Front Support | |
| Hydraulics & 3-Point Hitch | 05A01 Hydraulic System, 05A01A Hydraulic System, Hydraulic Reservoir, Hydraulic Pump, Hydraulic Controls, Loader Control Valve, Lift Arm & Linkage, Hydraulic Lines & Hoses, Lift Cylinder, Bucket Cylinder, Multipurpose Bucket Cylinder | |
| Loader, Backhoe & Attachments | Loader Control Lock, Bucket, Loader, Backhoe, Bucket Level Indicator, Bucket Assemblies, Multipurpose Bucket, Swing Post & Related Parts | |
| Body & Operator Station | Fenders & Related Parts, Cab Frame & Related Parts, Floor Panel & Mats, Door Frame & Related Parts, Subframe Assembly, 20A01 Main Frame & Related Parts, Main Frame & Related Parts | |
| Decals & Accessories | Identification Decals, Shift Pattern Decals, Tool | |
| Other Components | Front End Weight, Front End & Side Weights, Three Spool, Lift, Auxiliary, Conversion Kits, Plugs, Manifold & Exhaust System, Turbocharger Assembly, Turbocharger Related Parts, 1 & 2, 3 & 4, Water Filter Assembly |
Every system also includes a parts list and an exploded view.
New Holland 555C, 555C 4 CYL Common Problems This Manual Covers
New Holland 555C hydraulic cylinder seal kit part number needed for main lift cylinder rebuild
Pull up the Hydraulic Parts Diagram on page 36 and locate the lift cylinder assembly breakdown. Cross-reference the seal kit callout against the parts index by your unit's serial number range before ordering, since New Holland issued at least two seal kit revisions for the 555C lift cylinder.
Manual Section: Power Steering Pump & Reservoir p. 36Torque converter and flex plate part numbers hard to pin down when the two look interchangeable in the catalog
Check the Drivetrain Parts Diagram on page 138 for the transmission case breakdown, then move to pages 140 through 143 for the front and rear cover assemblies where the flex plate mounts. Match the flex plate bolt circle and torque converter drive lug count against the diagram before cross-referencing part numbers in the index.
Manual Section: Transmission Case & Related Parts p. 138Forward clutch pack parts list confusing when trying to identify the correct friction disc part number
Reference the Transmission Clutch & Input Shaft section on pages 149-150 for the exploded clutch pack view. Identify each friction disc and steel plate by its position number in the exploded view, then confirm the part number in the index matches your serial range since clutch pack configurations changed across production runs.
Manual Section: Transmission Clutch & Input Shaft p. 149Transmission fluid screen part number unclear, unsure which filter kit fits the 555C case
Check the Transmission Oil Cooler, Filter & Tubes section starting on page 165. Locate the screen assembly in the exploded view and note its position relative to the cooler tubes before pulling the matching part number from the index.
Manual Section: Transmission Oil Cooler, Filter & Tubes p. 165Hydraulic pump part number listed twice in different sections, unclear which one matches a two spool control valve setup
Go to the Hydraulic Pump section on page 93 and compare the drive coupling shown against your control valve configuration. The Two Spool hydraulic system layout is detailed on page 83, so verify spool count there first, then confirm the pump part number lines up with that configuration in the parts index.
Manual Section: Hydraulic Pump p. 93Starter motor and alternator part numbers get mixed up when ordering electrical components
Open the Starter Motor section on page 240 and the Alternator section on page 244 side by side, since both assemblies share similar mounting hardware callouts in the diagrams. Note the amperage rating and mounting bracket part number shown in each exploded view before cross-checking against the parts index to avoid ordering the wrong unit.
Manual Section: Starter Motor p. 240Frequently Asked Questions
What are the available rim sizes and tire types for the 01A01 Front Wheel Assembly on a 555C Tractor Loader Backhoe?
The 01A01 Front Wheel Assembly offers several rim and tire configurations. These include a Rim, 8.00 x 16, 11 x 16 Tire, 2WD (Part Number: E5NN1007JA12G), and a Rim, 10.50 x 17.5, 8 Hole, 14.0 x 17.5 Tire, 4WD (Part Number: F2NN1007KA), with a start year of 09/01/1993. Other options are a Rim, 9.00 x 18-8 Hole, 10.5 x 18 Tire, 4WD (Part Number: 85700479), and a Rim, 9.75 x 16.5, 12 x 16.5 Tire, 4WD (Part Number: E7NN1007CA).
What are the specifications for the Front End Weight (Part Number E7NN3A370AB) and its mounting bolts?
The Front End Weight (Part Number E7NN3A370AB) is a single unit. It is mounted using three Screw, Cap, HH, CL 8.8, M20 x 2.5 x 150 (Part Number: 384197) or Bolt, Hex, M20 - 2.5 x 160 (Part Number: 85702564). Six Washer, M20 (Part Number: N630073S36) and three Nut, Lock, Prevailing Torque, CL 8, M20 x 2.5 (Part Number: 380424) are also used for installation.
What are the specifications for the Rear Wheel Weights - 24" (Part Number E8NN1A002AD)?
The Rear Wheel Weights - 24" (Part Number E8NN1A002AD) are 280 lbs each, with 12 required. They are secured with six 5/8" Flat Washers (Part Number: 370692S36) and six G5, 5/8"-11 Nuts (Part Number: 280374). Additionally, six 5/8"-11 x 3-3/8" Carriage Bolts (Part Number: 380363S36) are used.
What are the specifications for the Front Axle, 2WD (Part Number 85805544) including its bushings?
The Front Axle, 2WD (Part Number 85805544) is a single unit for 555C and 655C models, and includes Ref. 2 & 3. It utilizes four Bushings (Part Number: E7NN3110AB) and two additional Bushings (Part Number: 83961695).
What do I get after purchasing this New Holland 555C Tractor Loader Backhoe?
This is a 462-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Am I able to print pages from this New Holland 555C Tractor Loader Backhoe?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.




















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