Category:
Agricultural Tractor
Primary Use:
Farming, general utility, light construction
Comparable Models:
Models from brands like Massey Ferguson, John Deere, Ursus's domestic competitors during its production era.
Simplicity And Robustness:
Known for straightforward mechanical design, ease of repair, and durable construction, typical of Eastern Bloc agricultural machinery.
Versatility:
Designed for a wide range of agricultural tasks, often equipped with a rear three-point hitch and PTO.
Manual Value Proposition:
Provides essential knowledge for owners and mechanics to maintain, repair, and troubleshoot the Ursus C-355, ensuring operational longevity and cost-effectiveness.
Powertrain:
Engine, cooling system, fuel system, exhaust system, transmission, clutch, power take-off (PTO)
Chassis And Running Gear:
Front axle, rear axle, steering system, braking system, suspension (if applicable), wheels and tires
Electrical System:
Battery, starting system, charging system, lighting, instrumentation, wiring diagrams
Hydraulic System:
Hydraulic pump, control unit, cylinders, hydraulic lines, linkage
Body And Controls:
Operator's station, controls, fenders, hitch system
Maintenance:
Lubrication schedules, fluid level checks, filter replacements, greasing points
Troubleshooting:
Diagnostic procedures for common issues, symptom-based troubleshooting guides
Repair And Overhaul:
Step-by-step instructions for component disassembly, repair, and reassembly
Adjustments:
Valve adjustments, clutch adjustments, brake adjustments, steering adjustments
Special Tools:
Identification of required special tools for specific procedures
Depth:
Comprehensive: Covers routine maintenance to major overhauls, including detailed technical specifications and diagnostic procedures.
Searchability:
Likely searchable text, assuming original document was digital or scanned with OCR.
Print Capability:
Printable (single pages or entire manual)
Binding Type:
Not applicable (digital format)
Paper Type:
Not applicable (digital format)
Engine Manufacturer:
Likely Ursus or a licensed manufacturer (e.g., Perkins-designed engine adapted).
Configuration:
Typically a 3-cylinder or 4-cylinder inline configuration.
Displacement:
Around 2.5 - 3.5 liters (specifics vary by exact C-355 variant and engine option).
Horsepower Rating:
Typically in the 40-55 HP range.
Torque Output:
Sufficient for agricultural applications, specific figures would be in the manual.
Injection Type:
Direct injection (likely mechanical injection pump).
Cooling Method:
Water-cooled (radiator, thermostat, water pump)
Transmission Type:
Manual constant mesh gearbox
Gear Configurations:
Multiple forward gears (e.g., 8 or 16) and typically 2 reverse gears.
Range Splitter:
Often equipped with a range splitter for low-speed and high-speed operation.
Power Take Off Pto:
Standard rear PTO, typically 540 RPM, potentially with a ground speed PTO option.
Clutch Type:
Dry single-plate or dual-plate clutch.
Wheelbase:
Varies, but typically around 2000-2200 mm.
Length:
Varies, typically around 3500-4000 mm.
Width:
Varies, often around 1600-1800 mm.
Operating Weight:
Typically around 2000-2500 kg.
Safety Standards:
Designed to meet safety regulations applicable during its production period in its primary markets.
Brakes:
Drum brakes or disc brakes (depending on variant/updates), mechanical or hydraulic actuation.
Steering:
Mechanical steering, potentially with power steering as an option on later models or specific variants.
Operator Protection:
Basic operator's platform, fenders. Roll-over protection structures (ROPS) and seatbelts may be optional or fitted later.
Engine Oil Change:
Typically every 100-250 operating hours, or annually. Specific recommendation is crucial.
Fuel Filter Replacement:
As needed or at regular intervals (e.g., every 250-500 hours).
Air Filter Cleaning And Replacement:
Regular inspection and cleaning, replacement as required based on operating conditions.
Transmission And Hydraulic Fluid Change:
Typically annually or every 500-1000 operating hours. Specific interval is vital and in the manual.
Engine Oil:
API CD or CE classification diesel engine oil, SAE 30 or 15W-40 depending on ambient temperature. Exact spec in manual.
Transmission Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or similar specifications. Capacity typically 30-40 liters. Exact spec and capacity in manual.
Coolant:
Ethylene glycol-based antifreeze mixture with corrosion inhibitors.
Common Wear Items:
Clutch wear, PTO clutch engagement issues, hydraulic system leaks, injector pump calibration, starter motor reliability.
Electrical System:
Wiring degradation, grounding issues, charging system faults.
Engine:
Potential for injector pump calibration drift, glow plug failures, piston ring wear over time.
Manufacturer Origin:
Ursus Tractors, Poland.
Legacy:
Ursus is a historical Polish brand known for producing robust and reliable agricultural machinery.
Production Period:
The Ursus C-355 and its variants were produced from the late 1960s through the 1980s.
Manufacturing Plant:
Ursus Factory, Warsaw, Poland, and potentially other licensed facilities.
