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Case 680CK Backhoe Loader

Case 680 Engine

Diesel Engine

Engine Model .................. Case 267D
Engine Type .................. 4-Stroke, 4-cylinder liquid-cooled diesel
Number of Cylinders .................. 4
Displacement, cu in (L) .................. 267 (4.40)
Engine Bore, in (mm) .................. 4.13 (105.0)
Engine Stroke, in (mm) .................. 5.00 (127.0)
Aspiration .................. Naturally aspirated
Rated Engine Power, hp (kW) .................. 71.0 (53.0)
Rated Engine Speed, rpm .................. 2000
Maximum Torque, Nm (ft-lb) .................. 278 (205)
Torque Speed, rpm.................. 1300
Compression Ratio .................. 15.0:1
Firing Order .................. 1-3-4-2
Fuel System .................. Injection pump
Governor Type .................. Mechanical, flyweight
Lubricating System Type .................. Positive pressure
Cooling System Type .................. Pressurized
Air Cleaner .................. Dry type
Oil Filter .................. Full flow type
Fuel Tank Capacity, gal (L) .................. 28.0 (106.0)
Electrical System Rating, Volts .................. 12
Charging System .................. Alternator
Alternator Rating, Amps .................. 55

Gasoline Engine

Engine Model .................. Case 251G
Engine Type .................. 4-Stroke, 4-cylinder liquid-cooled diesel
Number of Cylinders .................. 4
Displacement, cu in (L) .................. 251 (4.12)
Engine Bore, in (mm) .................. 4.00 (102.0)
Engine Stroke, in (mm) .................. 5.00 (127.0)
Rated Engine Power, hp (kW) .................. 71.0 (53.0)
Rated Engine Speed, rpm .................. 2000
Maximum Torque, Nm (ft-lb) .................. 274 (203)
Torque Speed, rpm.................. 1300
Compression Ratio .................. 7.5:1
Firing Order .................. 1-3-4-2
Fuel System .................. Up-draft carburetor
Ignition Type .................. Coil and distributor
Governor Type .................. Mechanical, flyweight
Lubricating System Type .................. Positive pressure
Cooling System Type .................. Pressurized
Air Cleaner .................. Dry type
Oil Filter .................. Full flow type
Fuel Tank Capacity, gal (L) .................. 28.0 (106.0)
Electrical System Rating, Volts .................. 12

Case 680 CK Transmission

Transmission Type .................. Power Shuttle
Gearbox Type .................. 4F/4R, sliding gear
Number of Forward Gears .................. 4
Number of Reverse Gears .................. 4
Torque Converter Type .................. Single stage
Torque Converter Ratio .................. 2.42:1
Clutch Type .................. Hydraulic
Maximum Forward Speed, mph (kph) .................. 17.0 (27.2)
Maximum Reverse Speed, mph (kph) .................. 21.7 (34.1)

Case 680CK Wheels and Tires

Drive Wheels .................. 2WD 4x2
Steering Configuration .................. Front steer
Steering System .................. Hydrostatic power
Brakes Type .................. Hydraulic disc
Front Tire Size (Std) .................. 11.0Lx16
Rear Tire Size (Std) .................. 14.9x24
Front Tire Size (Opt) .................. 8.25x15
Rear Tire Size (Opt) .................. 16.9x24
Front Tread, in (mm) .................. 70.8 (1790)
Rear Tread, in (mm) .................. 66.3 (1675)

Hydraulic System

Hydraulic System Type .................. Open Center
Hydraulic Pump Type .................. Direct drive, vane
Implement Pump Flow, gpm (Lpm) .................. 27.0 (102.5)
Hydraulic Pressure, Bar (psi) .................. 134 (1950)
Hydraulic Fluid Capacity, gal (L) .................. 17.5 (66.2)
Number of Standard Remote Valves .................. 2/4

Case 680 CK Dimensions and Weight

Wheelbase, in (mm) .................. 80.5 (2040)
Length (with Attachments), in (mm) .................. 273 (6905)
Height (Steering Wheel), in (mm) .................. 79 (2000)
Height (Exhaust), in (mm) .................. 95.7 (2430)
Overall Width (with Attachments), in (mm) .................. 81.8 (2070)
Ground Clearance, in (mm) .................. 13.3 (330)
Shipping Weight (Diesel), lb (kg) .................. 12800 (5820)
Shipping Weight (Gas), lb (kg) .................. 12700 (5770)

Case 680CK Loader Specifications

Maximum Lift Height (to pin), in (mm) .................. 123.5 (3130)
Clearance, Dumped Bucket, in (mm) .................. 97 (2455)
Dump Reach, in (mm) .................. 34 (860)
Dump Angle, deg .................. 45
Rollback Angle, deg .................. 39
Reach At Ground, in (mm) .................. 68.8 (1740)
Breakout Force (at pin), lb (kg) .................. 8200 (3725)
Lift to Full Height (at pin), lb (kg) .................. 5000 (2270)
Bucket Width (Std), in (mm) .................. 82 (2070)
Bucket Width (Std), in (mm) .................. 92 (2325)
Lift Cylinder Size, in (mm) .................. 4.0x25.5 (102x645)
Bucket Cylinder Size, in (mm) .................. 2.5x10.8 (64x275)
Raising Time to Full Height, second .................. 6.0
Bucket Dumping Time, second .................. 2.1
Lowering Time, second .................. 3.2

Case 680 CK Backhoe Specifications (Extendahoe)

Digging Depth (Retracted), in (mm) .................. 168 (4250)
Digging Depth (Extended), in (mm) .................. 192 (4855)
Reach from Swing Pivot (Retracted), in (mm) ..... 205.5 (5200)
Reach from Swing Pivot (Extended), in (mm) ...... 228 (5770)
Loading Height (Retracted), in (mm) .................. 122 (3500)
Loading Height (Extended), in (mm) .................. 153 (3880)
Swing Arc, deg .................. 190
Bucket Rotation, deg .................. 157
Loading Reach (Retracted), in (mm) .................. 85 (2150)
Loading Reach (Extended), in (mm) .................. 108.5 (2745)
Digging Force, lb (kg) .................. 11440 (5200)
Bucket Width, in (mm) .................. 12 (305)
Bucket Width, in (mm) .................. 16 (405)
Bucket Width, in (mm) .................. 18 (455)
Bucket Width, in (mm) .................. 24 (605)
Bucket Width, in (mm) .................. 30 (760)
Bucket Width, in (mm) .................. 36 (910)
Boom Cylinder Size, in (mm) .................. 4.5x39.8 (114x1007)
Crowd Cylinder Size, in (mm) .................. 4.5x35.3 (114x894)
Bucket Cylinder Size, in (mm) .................. 4.0x27.3 (102x690)
Swing Cylinder Size, in (mm) .................. 4.0x11 (102x280)
Stabilizer Cylinder Size, in (mm) .................. 3.5x16.4 (88x415)