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973K Track Loader Specifications
Flywheel Power 275 hp
Flywheel Power 275 HP
Engine Model Cat C9.3 ACERT
Engine Model Cat C9.3

Engine

Flywheel Power
275 hp
Flywheel Power
275 HP
Engine Model
Cat C9.3 ACERT
Engine Model
Cat C9.3
Net Power - ISO 9249/SAE J1349
275 HP
Net Power - ISO 9249/SAE J1349 (DIN)
278 HP
Emissions
U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final), Korea Tier 4 Final OR China Nonroad Stage III/UN ECE R96 Stage IIIA emission standards, equivalent to Tier 3/Stage IIIA
Note (1)
All nonroad Tier 4 Interim and Final, Stage IIIB, IV and V, Japan 2014 (Tier 4 Final) and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) with 15 ppm (mg/kg) of sulfur or less, or up to B20 biodiesel blended with
Note (2)
Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241.
Net Power – ISO 9249/SAE J1349 (DIN)
278 hp
Note
All nonroad Tier 4 Interim and Final, Stage IIIB and IV and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) with 15 ppm (mg/kg) of sulfur or less, or up to B20 biodiesel blended with ULSD. B20 should meet ASTM D74
Note
Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241.
Emissions
Tier 4 Final/Stage IV/Korea Tier 4

Weights

Operating Weight
63900 lb
Operating Weight - Wide Gauge
71218 lb
Operating Weight - Waste Handler
64319 lb
Operating Weight - Steel Mill
74293 lb
Note (1)
Subtract approximately 295 kg / 650 lb for machines not equipped with Tier 4 Final/Stage V emissions reduction technology.
Operating Weight
63900 lb
Operating Weight – Wide Gauge
71218 lb

Undercarriage

Track on Ground
115.3 in
Track Shoe Width – Standard
21.6 in
Track Rollers/Shoes - Each Side
Jul-40
Track Shoe Width – Wide Gauge
32.7 in
Track Rollers/Shoes – Each Side
7/40
Ground Contact Area*: Standard Shoe – 550 mm (21.6 in)
5673 in2
Ground Contact Area*: Optional Shoe – 675 mm (26.6 in)
6960 in2
Ground Contact Area*: Wide Gauge – 830 mm (32.7 in)
8572 in2
Track Gauge
85 in
Track Shoe Width - Standard
21.6 in
Track Shoe Width - Optional
26.6 in
Track Shoe Width - Wide Gauge
32.7 in
Track on Ground
115.3 in
Ground Contact Area* - Standard Shoe - 550 mm (21.6 in)
5673 in²
Ground Contact Area* - Optional Shoe - 675 mm (26.6 in)
6960 in²
Ground Contact Area* - Wide Gauge - 830 mm (32.7 in)
8572 in²
Ground Pressure* - Standard Shoe - 550 mm (21.6 in)
11.3 psi
Ground Pressure* - Optional Shoe - 675 mm (26.6 in)
9.3 psi
Ground Pressure* - Wide Gauge - 830 mm (32.7 in)
8.3 psi
Note
*ISO 16754:2008.
Track Gauge
85 in
Grouser Height – Double Grouser
1.92 in
Note
*ISO 16754:2008.
Grouser Height - Double Grouser
1.92 in

Service Refill Capacities

Fuel Tank
101.5 gal (US)
DEF Tank
9.2 gal (US)
Fuel Tank
101.5 gal
DEF Tank
9.2 gal

Dimensions

Overall Machine Length*
298.4 in
Machine Height - Top of Cab
138.2 in
Height - Top of Stack
120.8 in
Overall Machine Height - Bucket Fully Raised
226.5 in
Overall Machine Width without Bucket: With Standard Tracks - 550 mm (21.6 in) Shoes
106.7 in
Note
*With General Purpose bucket and heavy duty teeth.
Ground Clearance
18.5 in
Overall Machine Length*
298.4 in
Carry Position Approach Angle
15°
Digging Depth*
6.2 in
Maximum Rollback - Ground/Carry Position
43°/47°
Reach at Full Lift Height and 45° Dump*
53.8 in
Bucket Height - Carry Position
19 in
Reach at Full Lift Height and 45° Dump*
53.8 in
Clearance at Full Lift Height and 45° Dump*
116.2 in
Maximum Rollback/Dump - Fully Raised
59°/49°
Overall Machine Height, Bucket Fully Raised
226.5 in
Grading Angle
85°
Ramp Angle
29°
Note
*With General Purpose bucket and heavy duty teeth.
Ground Clearance
18.5 in
Height - Bucket Hinge Pin
166.1 in
Ramp Angle
29°

Buckets

Capacity - General Purpose
4.2 yd³
Capacity - Multi-Purpose
4 yd³
Capacity - Performance Series
5 yd³
Capacity - Landfill
6.4 yd³
Capacity - Slag
4 yd³
Width - General Purpose
117 in
Width - Multi-Purpose
116 in
Width - Performance Series
117 in
Width - Landfill
117 in
Width - Slag
112 in
Capacity - General Purpose
4.2 yd3
Capacity – Multi-Purpose
4.0 yd3
Width – Performance Series
117 in
Width – Multi-Purpose
116 in

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.1 kg of refrigerant which has a CO2 equivalent of 1.573 metric tonnes.
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.89 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes.
  • Power Train
    • Cat C9.3 diesel engine, turbocharged with ATAAC
    • Modular cooling system for engine air intake, oil and water
    • Radiator fan, electronically controlled, hydraulically driven, temperature sensing, on demand
    • Electro Hydrostatic Control (EHC) for transmission with travel and work modes
    • Fuel cooler
    • Water separator
    • Air cleaner dry-type, axial seal with integral precleaner and dust ejection system, electronic filter condition indicator
    • Caterpillar extended life coolant
  • Undercarriage
    • Heavy Duty tracks
    • Track guiding guards, end section
    • Hydraulic track adjuster
    • Sprocket rims, with replaceable bolt-on tough steel segments
    • Sprocket guards
    • Seven track rollers, two upper carrier rollers per track, lifetime lubricated
    • Conventional idlers, lifetime lubricated
    • Oscillating track roller frames
    • Track master link
  • Electrical
    • 24 volt heavy duty brushless alternator
    • Backup alarm
    • Electric horn
    • Two heavy duty batteries, high output, maintenance free, 1,400 CCA
    • Main disconnect switch
    • Electric starter (heavy duty, 24 volt)
  • Operator Environment
    • Pressurized, sound suppressed, ROPS/ FOPS cab with sealed front windshield, tinted glass and right side sliding window
    • Air conditioning and heating
    • Heater/defroster with automatic temperature control
    • Electro Hydraulic, seat mounted control levers
    • Rear vision camera
    • Seat belt, retractable, with buckling indicator on dash
    • Electronic Monitoring System with gauges for engine coolant temperature, hydraulic oil temperature, fuel level and Diesel Exhaust Fluid level (when equipped)
    • Mirror, rearview, inside adjustable
    • Radio ready (Includes 24 to 12 volt converter, speakers, antenna and two 12V power outlets)
    • Coat hook
    • Storage compartments under left armrest
    • Document holder on right console
    • Floor mat, rubber, heavy duty
    • Windshield washers and wipers, multiple speed front and rear
    • Durable metal roof
    • Parking brake switch and "brake-on" indicator light
  • Other Standard Equipment
    • Sound suppression, exterior
    • Z-bar loader linkage
    • Load sensing variable displacement implement pump
    • Implement cylinders with position sensors
    • Operator programmable lift and tilt kickouts
    • Engine enclosure with lockable doors
    • Radiator core 6.5 fins-per-inch, debris resistant
    • Hinged radiator guard and swing out fan
    • Full bottom guards
    • Lift cylinder guards
    • Oil gauge guard
    • Product Link ready
    • Oil sampling valves
    • Cat XT hoses
    • HYDO Advanced 10
  • Power Train
    • Cat C9.3 diesel engine with engine mounted aftertreatment to meet U.S. EPA Tier 4 Final/ EU Stage V/Japan 2014 (Tier 4 Final)/ Korea Tier 4 Final emission standards
    • Cat C9.3 diesel engine to meet China Nonroad Stage III and UN ECE R96 Stage IIIA emission standards, equivalent to Tier 3/Stage IIIA
    • Engine thermal shield
    • Fan, basic
    • Fan, reversing
    • Fan, reversing, low speed
    • Fan, reversing, Steel Mill
    • Air inlet, precleaner turbine
  • Operator Environment
    • Deluxe cab
    • Steel Mill cab
    • Seat, cloth, air suspension, no side-to-side isolator
    • Seat, cloth, air suspension, heated, side-to-side isolator
    • Transmission control, V-lever or joystick
    • Radio, AM/FM/AUX/USB/Bluetooth
    • Cab air precleaner
  • Hydraulics
    • Hydraulic oil, biodegradable
    • Hydraulic oil, EcoSafe (Steel Mill Arrangement)
    • General Purpose Hydraulics Packages: Two-valve, joystick; Three-valve, joystick; Two-valve, two levers; or Three-valve, two levers
    • Multi-Purpose Hydraulics Packages: Three-valve, joystick; or Four-valve, joystick
  • Guards
    • Tilt cylinder guards
    • Guard, front lights
    • Windshield protection
    • Final drive abrasion guard
    • Final drive abrasion guard, lower
  • Electrical
    • Rotating beacon
  • Undercarriage
    • Track roller guard
    • Track roller guard, Steel Mill
    • HEAVY DUTY TRACK SEALED AND LUBRICATED TRACK GROUPS (40 SECTIONS)
    • 500 mm (19.7 in) double grouser, center hole
    • 510 mm (20.1 in) extreme service, single grouser, center hole
    • 550 mm (21.6 in) double grouser
    • 675 mm (26.6 in) double grouser
    • 675 mm (26.6 in) double grouser, center hole
    • 675 mm (26.6 in) single grouser, center hole
    • 830 mm (32.7 in) double grouser, wide gauge
    • HEAVY DUTY SEALED AND NON-LUBRICATED TRACK GROUPS - STEEL MILL
    • 500 mm (19.7 in) double grouser
    • 500 mm (19.7 in) flat
    • 500 mm (19.7 in) triple grouser
    • 500 mm (19.7 in) alternate flat shoe
  • Buckets
    • GENERAL PURPOSE BUCKETS
    • 3.0 m3 (4.0 yd3), welded flush adaptors
    • 3.2 m3 (4.2 yd3), pin on
    • 3.2 m3 (4.2 yd3), heavy duty, pin on
    • 3.2 m3 (4.2 yd3), heavy duty, full edge, pin on
    • 4.2 m3 (5.5 yd3), Performance Series
    • 4.0 m3 (5.2 yd3), Performance Series flush
    • MULTI-PURPOSE BUCKETS
    • 3.0 m3 (4.0 yd3), heavy duty, pin on
    • 3.0 m3 (4.0 yd3), pin on
    • WIDE BUCKETS
    • 4.2 m3 (5.5 yd3), Performance Series
    • LANDFILL BUCKETS
    • 4.6 m3 (6.0 yd3), multi-purpose landfill, heavy duty, pin on
    • 4.9 m3 (6.4 yd3), general purpose landfill, heavy duty, pin on
    • STEEL MILL BUCKET
    • 3.0 m3 (4.0 yd3), slag bucket
  • Other Attachments
    • Counterweight
    • Counterweight, heavy duty bumper
    • Multi-shank ripper
    • Ripper hitch
    • Rear striker bars
    • Standard bumper
    • No bumper
    • Standard rear step
    • Ripper rear step
    • ADDITIONAL WORK TOOLS (please consult your Cat dealer for ordering information)
    • Quick coupler
    • Blades
    • Forks
    • Material handling arms
    • Rakes
  • Starters, Batteries and Alternators
    • Engine coolant heater, 120V
    • Engine coolant heater, 240V
  • Maintenance and Related Attachments
    • Maintenance package, deluxe
    • High speed oil change
    • Sediment pump
    • Fuel tank refueling pump
    • Service package, standard
    • Locking bar that holds cab at 30 degrees safely, front windshield
    • Extended service package with manual hydraulic system enabling cab tilt/lock and shovel holder (shovel not included)
    • Antifreeze -50 C (-58 F)
  • Technology Products
    • Product Link - Satellite
    • Product Link - Cellular
    • Grade control mast
  • Special Arrangements
    • Waste Package, Heavy Duty
    • Waste Package, Heavy Duty, Enhanced Cleaning
    • Waste Package, Extreme Service
    • Ship Hold Package, Heavy Duty
    • Steel Mill Package, Heavy Duty
    • Low Ground Pressure Package - Heavy Duty