Caterpillar 623E Scraper

Bowl

Heaped Capacity 23 cu yd (18 cu m)
Max Depth of Cut 13 in (33 cm)
Rated Payload 55,005 lbs (24,950 kg)
Width of Cut 12 ft (4 m)

Dimensions

Front of Tractor to Front Axle 17 in (43 cm)
Height – Overall Shipping 140 in (356 cm)
Height – Scraper Blade Maximum 16 in (41 cm)
Height – Top of Cab 11 ft (3 m)
Length – Overall Machine 523 in (1,328 cm)
Overall Height 13 ft (4 m)
Overall Length 41 ft (13 m)
Overall Width 12 ft (4 m)
Rear Axle – Rear of Machine 86 in (218 cm)
Rim Radius 17 in (43 cm)
Wheel Base 26 ft (8 m)
Wheelbase 26 ft (8 m)
Width – Inside of Bowl 116 in (295 cm)
Width – Outside Rear Tires 120 in (305 cm)
Width – Overall Machine 140 in (356 cm)
Width – Rear Tire Center Lines 87 in (221 cm)
Width – Tractor 117 in (297 cm)

Elevator

Length – Flights 89 in (226 cm)
Length – Overall 147 in (373 cm)
Number of Flights 15
Spacing of Flights 20 in (51 cm)
Width – Flight Face 9 in (22 cm)

Engine

Bore 5 in (14 cm)
Caterpillar Net Power 365 hp (272 kw)
DIN 70020 378 PS
Displacement 893 cu in (14,634 cu cm)
EEC 80/1269 365 hp (272 kw)
Gross Power – Gears 1-2 383 hp (286 kw)
ISO 9249 365 hp (272 kw)
Net Power 365 hp (272 kw)
Net Power – Gears 1-2 365 hp (272 kw)
SAE J1349 361 hp (269 kw)
Stroke 7 in (17 cm)
Tractor Engine 3406C

Hydraulic System

Bowl Cylinder Bore 6 in (15 cm)
Bowl Cylinder Stroke 20 in (51 cm)
Compensator Settings – Cushion Hitch Circuit 2300 psi
Compensator Settings – Elevator Circuit 5250 psi
Cushion Hitch Circuit 9 gpm (33 lpm)
Ejector Cylinder Bore 5 in (13 cm)
Ejector Cylinder Stroke 48 in (121 cm)
Floor Cylinder Bore 6 in (15 cm)
Floor Cylinder Stroke 53 in (135 cm)
Relief Valve – Implement Circuit 2500 psi
Relief Valve – Steering Circuit 2250 psi
Scraper Circuit 62 gpm (235 lpm)
Steering Circuit 56 gpm (212 lpm)
Supplemental Steering Circuit 37 gpm (140 lpm)

Operating Specifications

Fuel Capacity 151 gal (570 l)
Tire Size 29.5-29 34PR (E-2)

Scraper Bowl

Capacity – Struck 18 cu yd (14 cu m)
Cutting Edge Thickness 1 in (4 cm)
Depth of Cut – Maximum 13 in (33 cm)
Depth of Spread – Maximum 15 in (38 cm)
Ground Clearance – Maximum 15 in (39 cm)
Hydraulic Penetration Force 33,750 lbs (15,309 kg)
Rated Load 55,000 lbs (24,948 kg)
Scraper Capacity – Heaped 23 cu yd (18 cu m)
Width – Cut – To Router Bits 12 in (29 cm)

Service Refill Capacities

Cooling System 22 gal (83 l)
Crankcase 10 gal (36 l)
Differential 43 gal (163 l)
Final Drive – Each 5 gal (19 l)
Fuel Tank 160 gal (606 l)
Hydraulic Reservoir 37 gal (140 l)
Transmission 19 gal (72 l)
Wheel Coolant – Each 12 gal (45 l)

Steering System

Ground-Driven Secondary Steering System 40 gpm (151 lpm)
Hydraulic Output 52 gpm (197 lpm)
Steering Angle – Left 85 degrees
Steering Angle – Right 90 degrees
Width – 180 degrees Turn 36 ft (11 m)

Tractor Engine

Displacement 891 cu in (14,601 cu cm)
Gross Power 365 hp (272 kw)
Make Caterpillar
Model 3406

Transmission

1 Forward 3 mph (5 kph)
2 Forward 6 mph (9 kph)
3 Forward 7 mph (11 kph)
4 Forward 10 mph (15 kph)
5 Forward 13 mph (21 kph)
6 Forward 18 mph (28 kph)
7 Forward 24 mph (38 kph)
8 Forward 32 mph (51 kph)
Max Speed Forward 30 mph (48 kph)
Number of Forward Gears 8
Reverse 5 mph (9 kph)

Weights

Front Axel – loaded 67,239 lbs (30,499 kg)
Front Axle 52,050 lbs (23,610 kg)
Front Axle – empty 48,295 lbs (21,906 kg)
Front Axle Weight – Loaded 69,985 lbs (31,745 kg)
Rear Axle 29,200 lbs (13,245 kg)
Rear Axle – empty 26,006 lbs (11,796 kg)
Rear Axle – loaded 62,067 lbs (28,153 kg)
Rear Axle – Weight – Loaded 68,760 lbs (31,189 kg)
Scraper Shipping 29,200 lbs (13,245 kg)
Total Operating – Loaded 138,745 lbs (62,934 kg)
Total Shipping 80,231 lbs (36,392 kg)
Tractor Shipping 52,050 lbs (23,610 kg)
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