Gehl 6640 Skid Steer Specifications

The Gehl 6640 skid steer loader driveline system components: a 190 cu.in (3.1L) Deutz BF4M2011 4-cylinder direct injection turbocharged liquid-cooled diesel engine with a rated power of 82 hp (61 kW), and 1-speed or 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 23 gal/min (87.1 l/min). The system pressure is 3000 psi (207 bar). The Gehl 6640 is equipped with 100 roller drive chains and 12x16.5-10 or 14x17.5-12 tires. The skid steer loader has a lift height of 123" (3125 mm) to hinge pin and dump height of 91.3" (2320 mm). The rated operating capacity is 2400 lbs (1090 kg), and tipping load is 4800 lbs (2180 kg).

Engine Specs

Engine Model ...................... Deutz BF4M2011 Turbo
Engine Type ...................... Vertical 4-cylinder liquid-cooled diesel
Number of Cylinders ...................... Four
Displacement, cu.in (L) ...................... 190 (3.11)
Cylinder Bore, in (mm) ...................... 3.70 (94.0)
Piston Stroke, in (mm) ...................... 4.41 (112.0)
Aspiration ...................... Turbocharged
Rated Engine Power, hp (kW) ...................... 82.0 (61.0)
Rated Engine Speed, rpm ...................... 2500
Maximum Torque, Nm (lb-ft) ...................... 270 (199)
Torque Speed, rpm ...................... 1600
Compression Ratio ...................... 19:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... Direct injection
Lubrication System ...................... Pressure lubrication with filter
Fuel Tank Capacity, gal (L) ...................... 24.0 (91.0)
Oil Capacity, qts (L) ...................... 11.5 (10.8)
Valve Clearance (Inlet), in (mm) ...................... 0.012-0.016 (0.30-0.40)
Valve Clearance (Exhaust), in (mm) ...................... 0.020-0.024 (0.50-0.60)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 95

Drive Train

Drive System Type ...................... Servo-controlled hydrostatic drive
Number of Gears (Std) ...................... Single
Number of Gears (Opt) ...................... Two (high/low)
Chain Drive Type ...................... 100 roller chain
Tire Size (Std) ...................... 12x16.5-10
Tire Size (Opt) ...................... 14x17.5-12
Chaincase Capacity, qts (L) ...................... 8.0 (7.5)
Travel Speed (Std), mph (kph) ...................... 9.2 (14.8)
Travel Speed (Opt), mph (kph) ...................... 13.9 (22.4)

Hydraulic System

Hydraulic System Type ...................... Open center
Pump Flow (Std), gpm (Lpm) ...................... 23.0 (87.1)
Pump Flow (Opt), gpm (Lpm) ...................... 30.0 (113.7)
System Pressure, Bar (psi) ...................... 207 (3000)
Hydraulic Capacity, gal (L) ...................... 16.0 (61.0)
Number of Valves ...................... 3

Loader Performance

Rated Operating Capacity, lbs (kg) ...................... 2400 (1090)
Tipping Load, lbs (kg) ...................... 4800 (2180)

Dimensions and Weight

Wheelbase (Nominal), in (mm) ...................... 48.4 (1220)
Height (Operator Cab), in (mm) ...................... 81 (2055)
Height (Boom Raised), in (mm) ...................... 167 (4240)
Length (w/o Bucket), in (mm) ...................... 101 (2795)
Length (Bucket On Ground), in (mm) ...................... 141.5 (3595)
Width (w/o Bucket), in (mm) ...................... 67 (1700)
Height to Hinge Pin (Fully Raised), in (mm) ...................... 123 (3125)
Dump Angle At Max Height, deg ...................... 40
Dump Height (Fully Raised), in (mm) ...................... 91.3 (2320)
Dump Reach At Max Height, in (mm) ...................... 35.5 (900)
Rollback Angle At Ground Level, deg ...................... 30
Rollback Angle At Max Height, deg ...................... 84
Departure Angle, deg ...................... 25
Grading Angle, deg ...................... 82
Bucket Width, in (mm) ...................... 74 (1880)
Ground Clearance, in (mm) ...................... 8 (205)
Turning Radius (w/Bucket), in (mm) ...................... 89.5 (2275)
Shipping Weight, lbs (kg) ...................... 7160 (3245)
Operating Weight, lbs (kg) ...................... 7800 (3540)