Target User:
Farm owners, agricultural contractors, mechanics, service technicians
Purpose:
To provide complete information for operating, maintaining, and repairing the Ford New Holland 6640 tractor.
Value Proposition:
A comprehensive 4-file collection offering both essential operator guidance and in-depth factory repair procedures, enhancing the usability and longevity of the tractor.
Manual Features:
Combined operator and service information, improved PDF quality with search and navigation, covers all major systems.
Primary Manual Type:
Factory Service Repair Manual
Secondary Manual Types:
Operator Instruction Manuals (3)
Factory Service Repair Manual Pages:
Estimated 1000+ pages (typical for this era's comprehensive manuals)
Operator Instruction Manuals Pages:
Estimated 150-250 pages each (typical for operator manuals)
Total Manuals In Collection:
4
PDF Enhancements:
Bookmarks, Searchable Text, Index, Improved Quality
Powertrain:
Engine Overhaul, Fuel System, Lubrication System, Cooling System, Exhaust System
Transmission Drivetrain:
Manual Transmission, Power Shuttle Transmission (if applicable), Differential, Final Drives, PTO (Power Take-Off), Four-Wheel Drive (4WD) System
Hydraulics:
Hydraulic Pump, Control Valves, Lift Cover Assembly, Remote Hydraulic Couplers, Steering System
Electrical:
Starting System, Charging System, Lighting System, Instrumentation, Wiring Diagrams, Fuses and Relays
Chassis Structure:
Front Axle, Rear Axle, Brakes (Service and Parking), Steering Column, Operator Station (Cab/Platform)
Bodywork:
Hood, Fenders, Cab Components, Mounting Hardware
Maintenance:
Scheduled Maintenance Intervals, Lubrication Points and Specifications, Filter Replacement, Fluid Level Checks and Replenishment
Diagnostics Troubleshooting:
Fault Finding Guides, Diagnostic Flowcharts, Symptom-Based Troubleshooting
Repair Overhaul:
Step-by-Step Disassembly and Reassembly Procedures for Major Components, Component Rebuilding Instructions
Adjustment Calibration:
Valve Clearance Adjustment, Clutch Adjustment, Brake Adjustment, Hydraulic System Calibration
Installation Replacement:
Component Replacement Procedures, Installation Guidelines for Attachments (if covered)
Depth:
Comprehensive (from basic operator checks to full engine and transmission rebuilds)
Detail Level:
Detailed specifications, tolerances, torque values, assembly sequences, and diagnostic information
Engine Model:
Ford/New Holland 4.4L Turbocharged Diesel (Likely based on 300 series engine, modified)
Engine Type:
4-Cylinder, Direct Injection, Turbocharged Diesel
Displacement:
Approx. 4.4 Liters (268 cubic inches)
Gross Horsepower:
Approx. 90-95 HP (Varies by specific model variant and tune)
Rated Engine Speed:
Typically 2200-2400 RPM
Max Torque:
Approx. 250-280 lb-ft @ 1400 RPM (Estimate)
Injection System:
Rotary injection pump (e.g., Bosch VE or similar) with direct injection
Fuel Filter Part Number Example:
Could be similar to Ford part numbers like 83917584 or aftermarket equivalents
Transmission Type Standard:
16-speed (8 Forward + 8 Reverse) with Electro-Hydraulic Power Shuttle (EHPS) or SynchroShuttle
Transmission Type Optional:
Standard Synchromesh transmission (less common on 6640)
Clutch Type:
Dual-clutch (main drive clutch and power shuttle clutch)
Pto Speeds:
540/1000 RPM (Synchronized with engine speed)
Transmission Fluid Type:
Ford/New Holland UTTO (Universal Tractor Transmission Oil) or compatible fluid (e.g., 134D)
Transmission Fluid Capacity Example:
Approx. 45-55 Liters (depending on configuration)
Wheelbase:
Approx. 2350 mm (92.5 inches)
Overall Length:
Approx. 4000 mm (157.5 inches) (without front weights)
Overall Width:
Approx. 2000 mm (78.7 inches) (base width)
Operating Weight:
Approx. 4500 kg (9920 lbs) (tare weight)
Max Allowable Weight:
Typically around 7000 kg (15432 lbs)
Rollover Protection:
ROPS (Roll-Over Protective Structure) standard; FOPS (Falling Object Protective Structure) if equipped with cab
Braking System:
Hydraulically actuated wet disc brakes, independent parking brake
Steering System:
Hydrostatic power steering
Seatbelt:
Operator seatbelt
Lighting:
Standard work lights and safety beacons (if equipped)
Infotainment System:
Basic AM/FM Radio (optional), analog gauges for tachometer, speedometer, fuel, temperature, oil pressure
Operator Controls:
Mechanical or Electro-hydraulic shuttle lever, range selector levers, PTO engagement lever, 3-point hitch controls (draft/position)
Connectivity Features:
Basic electrical connections for lights and accessories, potential for hydraulic remote valve connections
Engine Oil Change:
Typically every 250-500 operating hours, depending on oil type and operating conditions
Fuel Filter Replacement:
Every 500 operating hours or annually
Air Filter Service:
As needed, based on dust indicator or visual inspection (clean/replace)
Hydraulic Fluid Change:
Every 1000-1500 operating hours or annually
Engine Oil Specification:
API CD/CE or higher, SAE 15W-40 (check manual for exact spec, e.g., Ford M2C159-B)
Engine Oil Capacity:
Approx. 10-12 Liters (with filter)
Coolant Type:
Ethylene Glycol based antifreeze (50/50 mix with distilled water)
Common Wear Items:
Clutch wear, hydraulic pump performance degradation, PTO engagement issues, front axle pivot wear
Electrical Gremlins:
Wiring harness issues in high-vibration areas, starter/alternator failures
Transmission Issues:
Power shuttle sensitivity, range selector issues, clutch pack wear
Brand Origin:
Ford's agricultural division, later becoming part of New Holland
Series Context:
The 6640 belongs to the 40 Series of tractors, which represented a significant advancement in comfort, ergonomics, and performance for Ford/New Holland in the early 1990s.
Predecessor Successors:
Succeeded models like the 40 Series (e.g., 4610, 5610) and was followed by the Genesis series and later models under the New Holland brand.
Production Period:
Mid-1990s (circa 1991-1997)
Manufacturing Locations:
Primarily manufactured in Basildon, UK, and potentially other Ford/New Holland facilities.
