Caterpillar 637K (Tier 2/Stage II) Scraper Specs

Category: Scrapers ➔
Manufacturer: Caterpillar ➔
Model: 637K (Tier 2/Stage II) ➔

Cab

Caterpillar 637K (Tier 2/Stage II) Scraper Cab specifications
Exterior Sound Level	The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
Rops/Fops	ROPS/FOPS meet ISO Standards.

Dimensions

Caterpillar 637K (Tier 2/Stage II) Scraper Dimensions specifications
Axle To Vertical Hitch Pin	20.00 in (50.80 cm)
Extended Push Block (Push-Pull)	108.00 in (274.32 cm)
Front Of Tractor To Front Axle	142.20 in (361.19 cm)
Ground Clearance - Tractor	26.10 in (66.29 cm)
Height - Overall Shipping	163.20 in (414.53 cm)
Height - Scraper Blade Maximum	20.00 in (50.80 cm)
Height - Top Of Cab	12.25 ft (3.73 m)
Length - Maximum (Push-Pull)	655.10 in (1,663.95 cm)
Length - Overall Machine - Standard	597.00 in (1,516.38 cm)
Rear Axle - Rear Of Machine	90.20 in (229.11 cm)
Wheel Base	28.90 ft (8.81 m)
Width - Inside Of Bowl	134.00 in (340.36 cm)
Width - Outside Rear Tires	143.20 in (363.73 cm)
Width - Overall Machine	155.00 in (393.70 cm)
Width - Rear Tire Centers	96.90 in (246.13 cm)
Width - Tractor	137.81 in (350.04 cm)

Engine

Caterpillar 637K (Tier 2/Stage II) Scraper Engine specifications
Emissions	Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Scraper	Cat C9.3 ACERT
Engine Model - Tractor	Cat C18 ACERT
Flywheel Power - Scraper	290.00 hp (216.26 kw)
Flywheel Power - Tractor	570.00 hp (425.06 kw)
Rated Engine Rpm - Scraper	2150 rpm
Rated Engine Rpm - Tractor	1900 rpm

General

Caterpillar 637K (Tier 2/Stage II) Scraper General specifications
180 Degrees Curb-To-Curb Turning Width	40.12 ft (12.23 m)
Fuel Tank Refill Capacity - Scraper	370.00 gal (1,400.45 l)
Maximum Depth Of Cut	17.70 in (44.96 cm)
Maximum Depth Of Spread	21.10 in (53.59 cm)
Overall Shipping Height	13.62 ft (4.15 m)
Overall Width	12.93 ft (3.94 m)
Rated Load	37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Heaped	34 cu yd
Scraper Capacity - Struck	24 cu yd
Tires - Scraper	37.25R35**E3
Tires - Tractor	37.25R35**E3
Top Speed - Loaded	34.71 mph (55.86 kph)
Width - Cut	11.50 ft (3.51 m)

Implement Cycle Times

Caterpillar 637K (Tier 2/Stage II) Scraper Implement Cycle Times specifications
Apron Lower	3.8 s
Apron Raise	4 s
Bail Lower	2.1 s
Bail Raise	1.5 s
Bowl Lower	3.5 s
Bowl Raise	3.5 s
Ejector Extend	8.5 s
Ejector Retract	8.5 s

Non Push-Pull

Caterpillar 637K (Tier 2/Stage II) Scraper Non Push-Pull specifications
Operating Weight - Empty	114,950.00 lbs (52,140.51 kg)
Overall Length	49.34 ft (15.04 m)

Push-Pull

Caterpillar 637K (Tier 2/Stage II) Scraper Push-Pull specifications
Operating Weight - Empty	119,060.00 lbs (54,004.77 kg)
Overall Length - With Bail Down	54.60 ft (16.64 m)

Safety Criteria Compliance Standards

Caterpillar 637K (Tier 2/Stage II) Scraper Safety Criteria Compliance Standards specifications
Brakes	ISO 3450:2011
Falling Object Protective Structure (Fops)	ISO 3449:2005 Level II
Reverse Alarm	ISO 9533:2010
Rollover Protection Structure (Rops)	ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat Belt	SAE J386:FEB2006
Steering System	ISO 5010:2007

Scraper Bowl

Caterpillar 637K (Tier 2/Stage II) Scraper Scraper Bowl specifications
Scraper Capacity - Heaped	34 cu yd

Service Refill Capacities

Caterpillar 637K (Tier 2/Stage II) Scraper Service Refill Capacities specifications
Cooling System - Scraper	16.10 gal (60.94 l)
Cooling System - Tractor	19.80 gal (74.94 l)
Crankcase - Scraper	6.50 gal (24.60 l)
Crankcase - Tractor	13.70 gal (51.85 l)
Fuel Tank	370.00 gal (1,400.45 l)
Hydraulic System	37.50 gal (141.94 l)
Transmission System - Scraper	12.90 gal (48.83 l)
Transmission System - Tractor	29.00 gal (109.77 l)

Tractor Engine

Caterpillar 637K (Tier 2/Stage II) Scraper Tractor Engine specifications
Flywheel Power - Tractor/Scraper	570.00 hp (425.06 kw)

Transmission

Caterpillar 637K (Tier 2/Stage II) Scraper Transmission specifications
Top Speed - Loaded	34.70 mph (55.84 kph)

Travel Speeds - Runout

Caterpillar 637K (Tier 2/Stage II) Scraper Travel Speeds - Runout specifications
Transmission Gear - Eighth	34.70 mph (55.84 kph)
Transmission Gear - Fifth	14.10 mph (22.69 kph)
Transmission Gear - First	3.40 mph (5.47 kph)
Transmission Gear - Fourth	10.50 mph (16.90 kph)
Transmission Gear - Reverse	6.20 mph (9.98 kph)
Transmission Gear - Second	6.20 mph (9.98 kph)
Transmission Gear - Seventh	25.70 mph (41.36 kph)
Transmission Gear - Sixth	19.00 mph (30.58 kph)
Transmission Gear - Third	7.70 mph (12.39 kph)

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