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973K Track Loader – Steel Mill Configuration

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Durability

        

  • Specialized heavy duty guarding, insulation, thermal deflectors and high temperature seals throughout the machine.
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  • Welded side bars reduce thermal distortion of the track roller frame.    
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  • Anti-abrasion guards protect the final drive seals.    
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  • Pressure relief/flash spark arrester on fuel tank cap.  
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  • Steel mill cab with heavy duty, laminated windshield glass.    
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  • Metallic screen on windshield grill to help protect glass and maintain good visibility; hinged for quick cleaning access.    
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  • Metallic shield integrated in bottom of cab doors helps protect windows against slag.    
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  • Specialized heat resistant seals and cab materials.    
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  • Steel plate on top of cab greatly reduces radiant heat transfer into cab.    
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  • New high capacity slag bucket features thicker structures and stronger teeth/cutting edges for longer service life.    
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  • Choice of track shoes lets you optimize your loader for traction and to work on paved surfaces.   
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  • Synthetic, fire-resistant hydraulic fluid.

Steel Mill Operating Recommendations

Caterpillar recommends that Steel Mill machines be exposed to hot slag for less than 15 minutes each hour to allow for adequate cooling time between cycles. Typically, two machines per furnace and a backup machine for the site provide the best uptime. The timing, frequency and duration of the work and cooling cycles varies by job site, but exceeding the recommended exposure time will prevent the machine from meeting expected performance levels.

EQUIPMENT
 - Machine Modifications Include:

        

  • Heavy duty front guard and bottom guards    
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  • Heavy duty laminated windshield glass    
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  • Side bars welded on the track roller frame    
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  • Metallic rings on low and high linkage    
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  • Floating solid pin on lower bucket linkages    
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  • High temperature seals in the equalizer bar, idlers, track rollers and final drives    
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  • High temperature braiding on wiring harnesses    
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  • Silicone material used on windshield, side windows and cab door seals, front baffles, front and rear wiper blades and door stoppers    
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  • Thermal insulation of front guard, equalizer bar rubber pads, air cleaner hose, bottom guards, enclosure doors, fenders, lift cylinders heads, hydraulic tilt lines, hydraulic lift lines, hydrostatic lines, cab sound insulation, DEF lines, lift rotary sensor and lift linkage sensor    
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  • Radiator guard with counterweights helps improve machine balance    
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  • Fire resistant floormat   
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  • Fuel spark arrester and pressure relief    
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  • Cab door windows protected at bottom    
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  • Additional metal roof on top of cab    
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  • Metallic door handles and push-button release    
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  • Manual brake release system located in the cab    
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  • 8 heat-resistant lights

EQUIPMENT
 - Steel Mill Package Includes:

        

  • Visibility Kit, Double Camera    
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  • Windshield Protection    
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  • Tilt Cylinder Guard    
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  • Lower Final Drive Abrasion Guard

EQUIPMENT
 - Requires:

        

  • Reversing Fan, Steel Mill
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  • Metallic Turbine Precleaner on Engine Air Inlet
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  • Tracks, Sealed & Non-Lubricated For Steel Mill
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  • Ecosafe Hydraulic Oil
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  • Steel Mill Cab
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  • No Product Link
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  • No Bumper
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  • 3.0 m3 (4.0 yd3) Slag Bucket
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  • Heavy Duty Bumper Counterweight

EQUIPMENT
 - Recommended Options:

        

  • Track Roller Guard, Steel Mill Arrangement
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  • Final Drive Abrasion Guard

Note: A Partial Steel Mill package is available for Cat® 953K and 963K Track Loader models. The base package offers specialized seals and guarding, as well as machine features to allow dealer upgrades to your track loader for work in high-temperature conditions. The Partial Steel Mill package does not include modifications required to work in hot slag. Please consult with your Cat dealer for details.

Engine
Flywheel Power 205 kW (275 HP)
Weights
Operating Weight 33699 kg (74293 lb)
Buckets
Capacity - General Purpose 3 mu00b3 (4 ydu00b3)
Engine
Engine Model Cat C9.3
Emissions U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final), Korea Tier 4 Final emission standards OR China Nonroad Stage III, India Bharat III, Eurasian Economic Union Stage IIIA UN ECE R96 Stage IIIA emission standards, equivalent to Tier 3/Stage IIIA
Engine Power - Maximum - SAE J1995 231 kW (310 HP)
Engine Power - Maximum - ISO 14396 228 kW (306 HP)
Engine Power - Maximum - ISO 14396 (DIN) 228 kW (310 HP)
Net Power (Rated) - ISO 9249/SAE J1349 205 kW (275 HP)
Net Power (Rated) - ISO 9249/SAE J1349 (DIN) 205 kW (278 HP)
Note (1) Engine ratings at 1,800 rpm.
Note (2) No derating required up to 2164 m (7,200 ft) altitude.
Note (3) 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 ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214). Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specification are required. Consult your OMM for further machine specific fuel recommendations.
Note (4) 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.
Undercarriage
Track Shoe Type Heavy Duty Sealed and Non Lubricated - Steel Mill, Double Grouser
Track Shoe Width - Standard 500 mm (19.7 in)
Track Rollers - Each Side 7
Number of Shoes - Each Side 40
Track on Ground 2930 mm (115.4 in)
Ground Contact Area (ISO 16754:2008): Steel Mill Shoe - 500 mm (19.7 in) 3.33 mu00b2 (5161 inu00b2)
Ground Pressure* (ISO 16754:2008): Steel Mill Shoe - 500 mm (19.7 in) 99.3 kPa (14.4 psi)
Grouser Height - Double Grouser 49 mm (1.9 in)
Track Gauge 2160 mm (85 in)
Link Pitch 215.9 mm (8.5 in)
Note * Calculated using Steel Mill operating weight with Slag Bucket.
Service Refill Capacities
Fuel Tank 384 l (101.5 gal (US))
Cooling System 44 l (11.6 gal (US))
DEF Tank 35 l (9.2 gal (US))
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.
Weights
Operating Weight - Steel Mill 33699 kg (74293 lb)
Shipping Weight - Steel Mill 28621 kg (63097 lb)
Note Steel Mill weights are with new slag bucket.
Buckets
Capacity - Slag 3 mu00b3 (4 ydu00b3)
Width - Slag 2846 mm (112 in)
Dimensions
Overall Machine Width without Bucket: Steel Mill Tracks - 500 mm (19.7 in) Shoes 2740 mm (107.9 in)
Overall Machine Width with Slag Bucket: Steel Mill Tracks - 500 mm (19.7 in) 2960 mm (116.5 in)
Ground Clearance 469 mm (18.5 in)
Machine Height - Top of Cab 3560 mm (140 in)
Length - Front of Track 5323 mm (209.6 in)
Overall Machine Length* 7579 mm (298.4 in)
Carry Position Approach Angle 15u00b0
Digging Depth* 158 mm (6.2 in)
Maximum Rollback - Ground/Carry Position 43u00b0/47u00b0
Bucket Height - Carry Position 483.5 mm (19 in)
Reach at Full Lift Height and 45u00b0 Dump* 1366 mm (53.8 in)
Clearance at Full Lift Height and 45u00b0 Dump* 2952 mm (116.2 in)
Maximum Rollback/Dump - Fully Raised 59u00b0/49u00b0
Grading Angle 85u00b0
Height - Bucket Hinge Pin 4218 mm (166.1 in)
Overall Machine Height - Bucket Fully Raised 5752 mm (226.5 in)
Height to Top of the Seat with Headrest 2988 mm (117.6 in)
Height - Top of Stack 3069 mm (120.8 in)
Ramp Angle 29u00b0
Note *With General Purpose bucket Performance with heavy duty teeth. Dimensions vary with bucket. Refer to Operating Specifications chart.
  • Machine Height to Top of Cab is with Steel Mill plate.

Standard Equipment

  • Power Train
    • Cat C9.3 diesel engine
    • 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 OR Cat C9.3 engine to meet China Nonroad Stage III, India Bharat III, Eurasian Economic Union Stage IIIA UN ECE R96 Stage IIIA emission standards, equivalent to Tier 3/Stage IIIA
    • 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
    • Caterpillar heavy duty tracks
    • Track guiding guards, end section
    • Track adjuster, hydraulic
    • Sprocket rims, with replaceable bolt-on tough steel segments
    • Guards, sprocket
    • Seven track rollers, two upper carrier rollers per track, lifetime lubricated
    • Idlers, conventional type, lifetime lubricated
    • Oscillating track roller frames
    • Track master link
  • Electrical
    • Alternator, 24 volt, heavy duty brushless
    • Backup alarm
    • Electric horn
    • Two heavy duty batteries, high output, maintenance free 1,400 CCA
    • Switch, main disconnect
    • Starter, electric (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
    • Seat belt, retractable, with buckling indicator on dash
    • Electronic Monitoring System with gauges for: Engine coolant temperature, Hydraulic oil temperature, Fuel Level, 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
    • Enginen 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

Optional Equipment

  • Power Train
    • Engine thermal shield
    • Fan, basic
    • Fan, reversing
    • Fan, reversing, low speed
    • Fan, reversing, Steel Mill
    • Air inlet, preclenaer turbine
  • Operator Environment
    • Cab
    • 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
    • Visibility kit – single camera
    • Visibility kit – double camera
    • Radio, AM/FM/AUX/USB/Bluetooth
    • Cab air precleaner
  • Hydraulics
    • Hydraulic oil, biodegradable
    • Hydraulic oil, EcoSafe
    • Hydraulics Packages: General purpose – Two-valve joystick, Three-valve joystick, Two-valve, two levers, Three valves, two levers; Multi-Purpose – Three-valve joystick, 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
    • Track Groups (40 sections) – Heavy Duty Track Groups – Sealed and Lubricated: 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
    • Track Groups (40 sections) – Heavy Duty Track Groups – Sealed and Non-Lubricated – 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: 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: 3.0 m³ (4.0 yd³), heavy duty, pin on; 3.0 m³ (4.0 yd³), pin on
    • Wide: 4.2 m³ (5.5 yd³), Performance Series
    • Landfill: 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: 3.0 m³ (4.0 yd³), slag bucket
  • Other Attachments
    • Counterweight
    • Counterweight, heavy duty bumper
    • Ripper, multi-shank
    • Hitch, ripper
    • Striker bars, rear
    • Bumper, standard
    • No bumper
    • Rear step, standard
    • Rear step, ripper
    • Additional work tools: 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
    • Service package, extended: Manual hydraulic system enabling cab tilt and lock at 30 degrees safely in the field; Shovel holder (shovel not included)
    • Antifeeze -50 degrees Celcius (-58 degrees Fahrenheit)
  • Technology Products
    • Product Link – Satellite
    • Product Link – Cellular
    • Grade control mast

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