Target Audience:
Owners, technicians, and mechanics servicing the Caterpillar 938G wheel loader
Competitive Advantage:
Comprehensive parts manual with detailed illustrations and part numbers, enabling accurate identification and ordering of components.
Comprehensive Coverage:
Covers all major systems and components with exploded views and step-by-step procedures.
Accurate Part Numbers:
Provides OEM part numbers for every component, ensuring correct replacements.
User-Friendly Layout:
Organized logically for quick reference in the field or shop.
Coverage Areas:
All parts of the Caterpillar 938G wheel loader, including engine, transmission, hydraulics, electrical, and structural components.
Page Count:
Approximately 800-1000 pages
Manual Type:
Parts Manual
File Format:
PDF (Portable Document Format)
Delivery Method:
Instant digital download
Engine:
Complete engine components, including block, cylinder head, fuel system, cooling, and exhaust.
Transmission:
Power shift transmission, torque converter, drive shafts, and axles.
Hydraulic System:
Pumps, valves, cylinders, hoses, and fittings for implement and steering systems.
Electrical System:
Wiring harnesses, sensors, switches, starter, alternator, and battery.
Undercarriage:
Frame, wheels, tires, and fenders.
Cab and Attachments:
ROPS cab, controls, instrumentation, and optional attachments.
Disassembly:
Step-by-step disassembly procedures for major components.
Assembly:
Detailed assembly instructions with proper torque specifications.
Inspection and Testing:
Guidelines for inspecting parts and testing systems after repair.
Detailed Illustrations:
Exploded views and diagrams for each assembly.
Part Numbers:
OEM part numbers for every item.
Quantities:
Number of each part required per assembly.
Reference:
Cross-reference charts to help locate parts in the manual.
Ordering:
Part numbers facilitate ordering from Caterpillar or authorized dealers.
File Format:
PDF (Portable Document Format)
Compatibility:
Works on any device with a PDF reader (Windows, Mac, iOS, Android).
Requirements:
No special software required; just a PDF viewer.
Searchability:
Searchable text allows quick location of keywords, part numbers, and terms.
Resolution:
High-resolution images and diagrams ensure clarity.
Printable:
You can print the manual or individual pages as needed.
Paper Type:
N/A - digital product.
Binding Type:
N/A - digital file; no physical binding.
Engine Model:
Caterpillar 3116
Type:
Diesel, turbocharged (if applicable)
Power Output:
Approximately 150 HP (gross)
Displacement:
6.6 L (403 cu in) (assumed from 3116 engine)
Operating Weight:
Approximately 22,500 lbs
Rated Operating Capacity:
Approximately 7,000 lbs
Fuel Capacity:
Approximately 60 gallons (estimated typical)
Wheelbase:
Approximately 9.5 ft (2.9 m) (estimated)
Overall Length:
Approximately 24 ft (7.3 m) (typical with bucket)
Overall Height:
Approximately 10 ft (3.0 m) (typical)
Curb Weight:
Approximately 22,500 lbs (operating weight)
Rollover Protection (ROPS):
Standard ROPS cab meets SAE and ISO standards for operator safety.
Braking:
Dual-service brakes and emergency braking system provided.
Backup Alarm:
Audible alarm to alert pedestrians when reversing.
Lighting:
Work lights and hazard lights for visibility in low light conditions.
Seat Belt:
Three-point seat belt for operator restraint.
Cab Structure:
Reinforced cab and structural components for impact protection.
Audio System:
AM/FM radio and optional CD player in cab (if equipped).
Monitoring:
Dash gauges for engine temperature, oil pressure, fuel level, and transmission temperature.
Diagnostics:
Electronic control modules for system diagnostics (if equipped).
Engine Oil Change:
Every 250 hours or 6 months (reference manual).
Transmission Service:
Check fluid level daily; change oil and filter every 1000 hours.
Hydraulic Oil Change:
Every 2000 hours or as specified.
Coolant Change:
Every 2000 hours or 2 years.
Engine Oil:
Follow Cat TO-4 or API CH-4/CI-4 specification (refer manual).
Transmission Oil:
Cat TO-4 or DEXRON IID/III compatible (refer manual).
Hydraulic Fluid:
Use Cat HYDO or equivalent (refer manual).
Coolant:
Cat Extended Life Coolant or equivalent.
Known Issues and Wear Items
Common Wear Items:
Bucket teeth, cutting edges, bushings, pins, and seals.
Known Issues:
Inspect for hydraulic leaks, worn steering components, and transmission slipping.
Manufacturer:
Caterpillar Inc., founded in 1925, a leading manufacturer of construction and mining equipment.
Introduction:
The 938G was part of the G-series of wheel loaders, introduced in the late 1990s.
Successor:
Succeeded by the 938H and later models.
Assembled In:
Production facilities in the United States, with global distribution.
