CAT 623F Motor Scraper

Dimensions

Overall Length 43.34 ft in (13210 mm)
Overall Height 12.08 ft in (3680 mm)
Wheelbase 26.19 ft in (7980 mm)
Height – Top Of Cab 11.09 ft in (0.29 m)
Length – Overall Machine 523 in (13284.2 mm)
Rear Axle – Rear Of Machine 86 in (2184.4 mm)
Rim Radius 17 in (431.8 mm)
Wheel Base 26.17 ft in (0.67 m)
Width – Inside Of Bowl 116 in (2946.4 mm)
Width – Outside Rear Tires 120 in (3048 mm)
Width – Overall Machine 140 in (3556 mm)
Width – Rear Tire Center Lines 87 in (2209.81 mm)
Front Of Tractor To Front Axle 17 in (431.8 mm)
Width – Tractor 117 in (2971.8 mm)
Height – Overall Shipping 140 in (3556 mm)
Height – Scraper Blade Maximum 16 in (406.4 mm)

Tractor Engine

Model 3406CTA
Gross Power 365 hp (272.2 kw)

Engine Details

Net Power 365 hp (272.2 kw)
Displacement 893 cu in (14.7 L)
Bore 5.4 in (137.2 mm)
Stroke 6.5 in (165.1 mm)
Eec 80/1269 365 hp (272.2 kw)
Sae J1349 361 hp (269.2 kw)
Iso 9249 365 hp (272.2 kw)
Din 70020 378 PS
Tractor Engine 3406C
Gross Power – Gears 1-2 383 hp (285.7 kw)
Net Power – Gears 1-2 365 hp (272.2 kw)
CAT Net Power 365 hp (272.2 kw)

Scraper Engine

Displacement 891 cu in (14.6 L)

Operational Specs

Fuel Tank Capacity 160.1 gal (606 L)

Transmission

Max Speed Forward 29.9 mph (48 km/h)
Reverse 5.4 mile/h

Steering

Width – 180 Degrees Turn 35.8 ft in (10.9 m)
Steering Angle – Right 90 Degrees
Steering Angle – Left 85 Degrees
Hydraulic Output 52 gal/min

Transmission

1 Forward 3.1 mph (5 km/h)
2 Forward 5.6 mph (9.1 km/h)
3 Forward 7.1 mph (11.5 km/h)
4 Forward 9.6 mph (15.5 km/h)
5 Forward 12.9 mph (20.8 km/h)
6 Forward 17.5 mph (28.2 km/h)
7 Forward 23.6 mph (38 km/h)
8 Forward 31.9 mph (51.4 km/h)

Steering

Ground-Driven Secondary Steering System 39.9 gal/min

Weights

Total Operating – Empty 81250 lb (36854.4 kg)
Total Shipping 80231 lb (36392.2 kg)
Tractor Shipping 52050 lb (23609.5 kg)
Scraper Shipping 29200 lb (13244.9 kg)
Front Axle 52050 lb (23609.5 kg)
Rear Axle 29200 lb (13244.9 kg)
Front Axle Weight – Loaded 69985 lb (31744.7 kg)
Rear Axle – Weight – Loaded 68760 lb (31189.1 kg)

Bowl

Rated Payload 55201.6 lb (25039 kg)
Heaped Capacity 23.1 yd3 (17.6 m3)
Struck Capacity 18.1 yd3 (13.8 m3)
Max Depth Of Cut 13 in (330 mm)
Width Of Cut 11.5 ft in (3500 mm)

Elevator

Number Of Flights 15
Width – Flight Face 8.5 in (215.9 mm)
Length – Flights 89 in (2260.6 mm)
Spacing Of Flights 20 in (508 mm)
Length – Overall 146.9 in (3731.3 mm)

Service Refill Capacities

Cooling System 22 gal (83.3 L)
Fuel Tank Capacity 160 gal (605.7 L)
Crankcase 9.5 gal (36 L)
Final Drive – Each 5 gal (19 L)
Transmission 19 gal (72 L)
Differential 43 gal (162.8 L)
Hydraulic Reservoir 37 gal (140.1 L)
Wheel Coolant – Each 12 gal (45.5 L)

Hydraulics

Bowl Cylinder Bore 6 in (152.4 mm)
Bowl Cylinder Stroke 20 in (508 mm)
Floor Cylinder Bore 6 in (152.4 mm)
Floor Cylinder Stroke 53.3 in (1352.6 mm)
Steering Circuit 56 gal/min
Scraper Circuit 62.2 gal/min
Cushion Hitch Circuit 8.6 gal/min
Supplemental Steering Circuit 37 gal/min
Relief Valve – Steering Circuit 2250 psi
Relief Valve – Implement Circuit 2500 psi
Compensator Settings – Cushion Hitch Circuit 2300 psi
Compensator Settings – Elevator Circuit 5250 psi
Ejector Cylinder Bore 5 in (127 mm)
Ejector Cylinder Stroke 47.8 in (1212.9 mm)

Scraper Bowl

Hydraulic Penetration Force 33750 lb (15308.8 kg)
Width – Cut – To Router Bits 11.5 in (292.1 mm)
Rated Load 55000 lb (24947.6 kg)
Capacity – Struck 18 yd3 (13.8 m3)
Depth Of Cut – Maximum 13 in (330.2 mm)
Ground Clearance – Maximum 15.3 in (387.4 mm)
Cutting Edge Thickness 1.4 in (35.1 mm)
Depth Of Spread – Maximum 15 in (381 mm)
Scraper Capacity – Heaped 23 yd3 (17.6 m3)
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