Target User:
Owners, technicians, and mechanics performing maintenance and repair on New Holland backhoe loaders.
Value Proposition:
A comprehensive, multi-volume resource providing detailed technical information crucial for the upkeep and restoration of specific New Holland backhoe loader models.
Feature 1:
Full coverage across three volumes for complete machine knowledge.
Feature 2:
High-quality PDF format with clear diagrams and color schematics in Volumes 2 & 3.
Feature 3:
Encompasses all major mechanical, hydraulic, and electrical systems.
Engine Systems:
Detailed coverage of engine operation, maintenance, troubleshooting, and repair for all applicable engine variants.
Fuel Systems:
In-depth information on fuel delivery, injection, filters, and troubleshooting for optimal performance.
Electrical System:
Comprehensive wiring diagrams, component identification, testing procedures, and repair for electrical circuits.
Transmission:
Detailed analysis of transmission components, operation, maintenance, and repair, including torque converters and gearboxes.
Rear Axle And Brakes:
Coverage of rear axle assemblies, differential, braking systems, including hydraulic and mechanical components.
Power Take Off Pto:
Information pertaining to PTO operation, engagement, maintenance, and troubleshooting for various PTO configurations.
Steering And Front Axle:
Detailed schematics and procedures for steering systems, front axle articulation, and associated components.
Hydraulic System:
Extensive coverage of hydraulic pumps, valves, cylinders, hoses, fluid specifications, and troubleshooting for the loader and backhoe.
Controls And Frame:
Information on control linkages, levers, pedals, and structural frame integrity, including welding and repair guidelines.
Cab:
Details on cab structure, operator comfort features, interior components, and HVAC systems if applicable.
Separating Tractor And Accessories:
Procedures for safely disconnecting and reconnecting the backhoe attachment from the tractor unit.
Maintenance:
Scheduled maintenance tasks, lubrication charts, fluid level checks, filter replacement, and preventative measures.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and complex operational issues.
Repair:
Step-by-step instructions for disassembly, component replacement, and reassembly of all major systems.
Overhaul:
Comprehensive instructions for complete engine, transmission, and hydraulic system overhauls.
Calibration:
Procedures for calibrating hydraulic controls, sensor readings, and engine parameters where applicable.
Diagnostics:
Guidance on interpreting diagnostic codes, performing circuit tests, and using specialized diagnostic tools.
Depth:
Complete workshop level, covering from basic adjustments to full rebuilds and component overhauls.
Engine Type:
Diesel (Specific engine models vary by sub-model and year, requiring consultation with Volume 1 for precise identification).
Horsepower Range:
Typically ranges from approximately 60-80 HP, depending on the specific model and engine configuration. Detailed specifications will be in Volume 1.
Torque Range:
Specific torque figures are model-dependent and detailed in Volume 1.
Injection System:
Likely direct injection, potentially with mechanical or electronic control depending on the era and specific engine. Details in Volume 1.
Transmission Type:
Typically a powershift transmission or a manual transmission with a torque converter. Specifics detailed in Volume 2.
Optional Features:
Potential for different gear ratios or configurations depending on the model variant and intended application.
Clutch Type:
Torque converter clutch or manual clutch, depending on transmission type. Information in Volume 2.
Gear Selection:
Likely lever-operated or electronically controlled gear selection. Details in Volume 2.
Overall Length:
Varies by model, but typically around 20-25 feet (6-7.5 meters) with backhoe deployed. Refer to specific model data sheets or Volume 2 for precise measurements.
Overall Width:
Varies by model, typically 6-7 feet (1.8-2.1 meters) for the tractor unit. Backhoe bucket width will be greater. Refer to Volume 2.
Overall Height:
Varies by model, typically around 9-10 feet (2.7-3 meters) to the top of the cab. Refer to Volume 2.
Operating Weight:
Typically in the range of 15,000-20,000 lbs (6,800-9,100 kg), but specific weight is model and configuration dependent. Details in Volume 2.
Engine Oil Change:
Typical interval is every 250-500 operating hours, depending on operating conditions. Refer to Volume 1 for specific recommendations and oil types.
Hydraulic Fluid Change:
Recommended every 1000-2000 operating hours or annually. Refer to Volume 3 for specific intervals and fluid types.
Transmission Fluid Change:
Intervals vary, often around 1000-2000 operating hours. Consult Volume 2 for exact specifications and fluid types.
Engine Oil Type:
CD or CE quality diesel engine oil, typically 15W-40. Specific viscosity may vary with ambient temperature. Consult Volume 1.
Hydraulic Fluid Type:
ISO VG 46 or similar hydraulic fluid with good anti-wear properties. Refer to Volume 3 for precise specifications and filtration requirements.
Transmission Fluid Type:
Typically a Type 'C' or similar Universal Tractor Transmission Oil (UTTO). Refer to Volume 2 for exact specifications and capacities.
Coolant Type:
Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. Refer to Volume 1 for specific concentration and type.
Common Wear Points:
Refer to the 'Known Issues' or 'Troubleshooting' sections within the manual for common wear points and potential problems specific to these models, such as hydraulic leaks, loader cylinder wear, and transmission engagement issues.
Preventative Maintenance:
The manual emphasizes regular lubrication of pivot points, checking fluid levels, and inspecting hoses for wear as key preventative measures.
Manufacturer Legacy:
New Holland is a prominent manufacturer of agricultural and construction equipment with a long history of innovation and robust machinery.
Backhoe Loader Series:
The 455C, 555C, and 655C series represent a generation of New Holland backhoe loaders known for their versatility and durability in construction and general utility work. The 'C' typically denotes an updated or improved version.
Production Period:
Specific production years are not stated but these models are generally from the late 1980s through the 1990s. Manual covers these specific ranges.
