Specs, Service, and Problems of Skid Steers and Track Loaders

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Skid Steer Loaders / Gehl Skid Steer Loaders / Gehl 6635 DXT

Gehl 6635DXT Skid Steer Specifications

The Gehl 6635 DXT skid steer loader driveline system components: a 187 cu.in (2.9L) Deutz BF4M1011F 4-cylinder turbo liquid-cooled diesel engine with a rated power of 75 hp (56 kW), and 1-speed or 2-speed transmission. The hydraulic system has a pump with a rated capacity of 23 gal/min (87.1 l/min). The system relief pressure is 3000 psi (207 bar). The Gehl 6635DXT is equipped with a radial-lift loader boom, 100H roller chains, and 12x16.5 or 33-15.5x16.5 tires. The skid steer loader has a max lift height of 122.7" (3120 mm) to hinge pin and dump height of 93.7" (2380 mm). The rated operating capacity is 2350 lbs (1065 kg), and tipping load is 4700 lbs (2130 kg).

Engine Specs

Engine Model ...................... Deutz BF4M1011F Turbo
Engine Type ...................... Vertical 4-cylinder liquid-cooled diesel
Number of Cylinders ...................... Four
Displacement, cu.in (L) ...................... 178 (2.91)
Cylinder Bore, in (mm) ...................... 3.58 (91.0)
Piston Stroke, in (mm) ...................... 4.41 (112.0)
Aspiration ...................... Turbocharged
Rated Engine Power, hp (kW) ...................... 75.0 (56.0)
Rated Engine Speed, rpm ...................... 2500
Maximum Torque, Nm (lb-ft) ...................... 239 (176)
Torque Speed, rpm ...................... 1800
Compression Ratio ...................... 17:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... Direct injection
Lubrication System ...................... Pressure lubrication with oil filter
Air Cleaner Type ...................... Dual element
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)
Fuel Tank Capacity, gal (L) ...................... 24.0 (91.0)
Oil Capacity, qts (L) ...................... 10.5 (10.0)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 55

Drive Train

Drive System Type ...................... Servo-controlled hydrostatic drive
Number of Gears (Std) ...................... Single
Number of Gears (Opt) ...................... Two (low-high)
Chain Drive Type ...................... 100H roller chain
Tire Size (Std) ...................... 12x16.5
Tire Size (Opt) ...................... 33-15.5x16.5
Chaincase Capacity, qts (L) ...................... 8.0 (7.6)
Maximum Speed (Single Range), mph (km/h) ...................... 8.5 (13.6)
Maximum Speed (Low Range), mph (km/h) ...................... 8.5 (13.6)
Maximum Speed (High Range), mph (km/h) ...................... 12.5 (20.0)

Hydraulic System

Hydraulic System Type ...................... Open center
Pump Capacity (Standard), gpm (Lpm) ...................... 23.0 (87.1)
Pump Capacity (High Flow), gpm (Lpm) ...................... 36.0 (136.4)
System Pressure (Standard), Bar (psi) ...................... 207 (3000)
System Pressure (High Flow), Bar (psi) ...................... 200 (2900)
Hydraulic Reservoir Capacity, gal (L) ...................... 16.0 (60.5)
Number of Valves ...................... 3

Loader Performance

Rated Operating Capacity, lbs (kg) ...................... 2350 (1065)
Tipping Load, lbs (kg) ...................... 4700 (2130)
Loader Boom Type .................... Radial-lift

Dimensions and Weight

Wheelbase (Nominal), in (mm) ...................... 48 (1220)
Height (Operator Cab), in (mm) ...................... 79.2 (2015)
Height (Boom Raised), in (mm) ...................... 163 (4140)
Length (w/o Bucket), in (mm) ...................... 106.7 (2710)
Length (Bucket On Ground), in (mm) ...................... 141.2 (3585)
Width (w/o Bucket), in (mm) ...................... 66.2 (1680)
Height to Hinge Pin (Fully Raised), in (mm) ...................... 122.7 (3120)
Dump Angle At Max Height, deg ...................... 40
Dump Height (Fully Raised), in (mm) ...................... 93.7 (2380)
Dump Reach At Max Height, in (mm) ...................... 33.5 (850)
Rollback Angle At Ground Level, deg ...................... 30
Rollback Angle At Max Height, deg ...................... 97
Departure Angle, deg ...................... 25
Grading Angle, deg ...................... 95
Bucket Width, in (mm) ...................... 72 (1830)
Ground Clearance, in (mm) ...................... 7.5 (190)
Turning Radius (w/Bucket), in (mm) ...................... 85.8 (2180)
Shipping Weight, lbs (kg) ...................... 6250 (2835)
Operating Weight, lbs (kg) ...................... 7530 (3415)

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