Segment:
Medium-duty agricultural tractor
Target User:
Farmers, agricultural contractors, restoration enthusiasts
Key Competitors:
John Deere 2020, International Harvester 706, Ford 5000
Features:
Robust construction, versatile engine options, strong hydraulic system, reliable transmission
Manual Value Proposition:
Essential resource for maintaining, repairing, and optimizing the M-670 tractor, ensuring longevity and performance
Primary Coverage:
Complete workshop and service procedures
Diagnostic Coverage:
Troubleshooting and fault diagnosis for all systems
Maintenance Coverage:
Routine maintenance, lubrication, and preventative service
Estimated Page Count:
500+
Type:
Shop Manual / Service Manual / Workshop Manual
Engine:
Disassembly, assembly, overhaul, timing, cooling system, lubrication system
Fuel System:
Carburetor service, fuel pump, fuel tank, fuel lines
Electrical System:
Ignition system, starting system, charging system (generator/alternator), lighting, wiring diagrams, battery
Transmission:
Gearbox overhaul, clutch service, PTO (Power Take-Off) operation and repair
Hydraulics:
Hydraulic pump, control valve, cylinder, reservoir, hydraulic fluid specifications, troubleshooting
Steering:
Steering mechanism, linkage, power steering (if equipped)
Brakes:
Brake system overhaul, adjustment, hydraulic components
Frontend And Rear Axle:
Differential service, axle repairs, wheel bearings
Drawbar And Hitch:
Service and adjustment of towing and hitch mechanisms
Body And Sheet Metal:
Panel removal, installation, and adjustment
Major Repairs:
Engine rebuilds, transmission overhauls, hydraulic system repairs
Minor Maintenance:
Oil changes, filter replacements, greasing, fluid level checks
Troubleshooting:
Systematic diagnostic procedures for common and uncommon problems
Adjustments:
Carburetor, ignition timing, clutch, brakes, PTO, hydraulic controls
Diagnostics:
Fault finding charts, symptom-based troubleshooting guides
Electrical Testing:
Testing of starter, generator, ignition coil, wiring continuity
Torque Specifications:
Crucial torque values for critical fasteners across all components
Depth:
Comprehensive workshop-level detail suitable for professional mechanics and experienced owners
Diagnostic Tools:
Information on required tools and gauges for accurate diagnostics and repairs
Rebuild Instructions:
Detailed step-by-step instructions for complete component rebuilds
Engine Family:
Minneapolis-Moline Overhead Valve (OHV)
Displacement:
Approximately 265 cubic inches (4.34 liters)
Bore X Stroke:
Approx. 4.25 x 4.75 inches (108 mm x 120.65 mm)
Horsepower Rated:
Approximately 65-70 PTO horsepower
Torque Peak:
Manufacturer specific data required from manual, typically in the 180-200 lb-ft range
Injection System:
Direct injection, rotary or inline injection pump
Carburetor Type:
N/A (Diesel)
Cooling Type:
Liquid-cooled
Coolant Capacity:
Refer to manual for exact capacity, typically 6-8 gallons
Oil Capacity:
Refer to manual for exact capacity, typically 8-10 quarts
Oil Filter Part Number:
Requires manual lookup; common aftermarket equivalents exist
Length:
Refer to manual, typically around 140-150 inches
Width:
Refer to manual, typically around 70-80 inches (at rear wheels)
Height:
Refer to manual, typically around 85-95 inches (to top of steering wheel)
Operating Weight:
Refer to manual, typically in the 5,000-6,000 lbs range
Wheelbase:
Refer to manual, typically around 85-90 inches
Engine Oil Change:
Refer to manual for specific hours; typically every 100-200 hours
Transmission Fluid Change:
Refer to manual for specific hours; typically annually or every 200-400 hours
Fuel Filter Replacement:
Refer to manual for specific hours; typically every 250-500 hours
Air Filter Cleaning:
Check frequently based on operating conditions; clean or replace as needed
Engine Oil Spec:
Refer to manual for exact API service classification (e.g., API CD or similar for diesel) and viscosity (e.g., SAE 30 or SAE 10W-30)
Hydraulic Fluid Spec:
Refer to manual; typically M-1129A, M-1135, or equivalent universal tractor transmission fluid (UTTO)
Coolant Spec:
Ethylene Glycol based coolant with corrosion inhibitors, typically a 50/50 mix with distilled water
Common Wear Items:
Clutch friction plates, hydraulic pump seals, injector pump, engine seals/gaskets due to age
Electrical Problems:
Corrosion in connections, aging wiring harnesses, generator/starter issues
Engine Performance:
Loss of power due to worn injectors, fuel system issues, or valve adjustments
Manufacturer History:
Minneapolis-Moline was a prominent American tractor manufacturer known for innovation and distinctive styling.
Series Placement:
Part of Minneapolis-Moline's modern line of tractors, succeeding earlier models and bridging to later designs.
Production Years:
Mid-1960s (Exact years vary by specific M-670 configurations)
Manufacturing Location:
La Crosse, Wisconsin, USA