336 Excavator

  • Specs Summary
  • Net Power
    541 HP (403 kW)
  • Operating Weight
    139920 lb (63600 kg)
  • Bucket Capacities
  • Engine Model
    ( )

988K Millyard Arrangement

Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency. The 988K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 988K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.
  • Net Power 541 HP (403 kW)
  • Operating Weight 139920 lb (63600 kg)
  • Forward - 2 7.2 mile/h (11.6 km/h)
  • Direct Drive - Reverse 2 8.9 mile/h (14.3 km/h)
  • Engine Model ( )
  • Transmission 31.7 gal (US) (120 l)
  • Forward - 3 12.7 mile/h (20.4 km/h)
  • Reverse - 1 4.7 mile/h (7.5 km/h)
  • Reverse - 3 14.4 mile/h (23.2 km/h)
  • Direct Drive - Reverse 1 5 mile/h (8 km/h)
  • Differential - Final Drives - Rear 49.1 gal (US) (186 l)
  • Stroke 7.2 in (183 mm)
  • Forward - 1 4 mile/h (6.5 km/h)
  • Oscillation Angle ( )
  • Direct Drive - Reverse 3 15.8 mile/h (25.5 km/h)
  • Reverse - 2 8.3 mile/h (13.3 km/h)
  • Bore 5.7 in (145 mm)
  • Displacement 1105 in³ (18.1 l)
  • Direct Drive - Forward 2 7.8 mile/h (12.5 km/h)
  • Brakes ( )
  • Direct Drive - Forward 3 13.9 mile/h (22.3 km/h)
  • Transmission Type ( )
  • Pilot System ( )
  • Gross - ISO 14396 580 HP (432 kW)
  • Steering System - Circuit ( )
  • Differential - Final Drives - Front 49.1 gal (US) (186 l)
  • Steering System - Pump ( )
  • Front ( )
  • Crankcase 15.9 gal (US) (60 l)
  • Rear ( )
  • Fuel Tank 188 gal (US) (712 l)
  • Steering Cycle Times - High Idle 3.4 s (3.4 s)
  • Hydraulic System - Tank Only 63.4 gal (US) (240 l)
  • Emissions ( )
  • Lift/Tilt System - Circuit ( )
  • Steering Cycle Times - Low Idle 5.6 s (5.6 s)
  • Torque Rise 58 % (58 %)
  • Lift/Tilt System ( )
  • Peak Torque - 1,200 rpm 2104 lb/ft (2852 N·m)
  • Peak Power Speed - 1,500 rpm - Gross - SAE J1995 588 HP (439 kW)
  • Cylinders, Double Acting - Tilt, Bore and Stroke ( )
  • Peak Power Speed - 1,500 rpm - Gross - ISO 14396 580 HP (432 kW)
  • Cylinders, Double Acting - Lift, Bore and Stroke ( )
  • Forward - 4 21.6 mile/h (34.7 km/h)
  • Maximum Flow 13.7 gal/min (52 l/min)
  • Maximum Flow at 1,400-1,860 rpm 153 gal/min (580 l/min)
  • Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 541 HP (403 kW)
  • Maximum Flow 71.3 gal/min (270 l/min)
  • Total Steering Angle 74 ° (74 °)
  • Relief Valve Setting - Main 580 psi (4000 kPa)
  • Hydraulic System Factory Fill 125.5 gal (US) (475 l)
  • Cooling System 31.7 gal (US) (120 l)
  • Operator Sound Level (ISO 6396) 70 dB(A) (70 dB(A))
  • Machine Sound Level (ISO 6395) 111 dB(A) (111 dB(A))
  • Machine Sound Level (ISO 6395) 109 dB(A) (109 dB(A))
  • Operator Sound Level (ISO 6396) 71 dB(A) (71 dB(A))
  • Peak Power Speed ( )
  • Rated Speed ( )
  • Relief Valve Setting - Steering 4351 psi (30000 kPa)
  • Tipping Load - Straight 78115 lb (35500 kg)
  • Fork End Area 69 ft² (6.4 m²)
  • Diesel Exhaust Fluid Tank 8.7 gal (US) (33 l)
  • Tipping Load - Articulated 37° 68005 lb (30910 kg)
  • Fork Top Clamp Opening 12.3 ft (3741 mm)
  • Dump Angle at Maximum Lift 39.4 ° (39.4 °)
  • Ground to Top of Hood 10.9 ft (3334 mm)
  • Front Axle Centerline to Fork Tip 15.6 ft (4765 mm)
  • Fork Height at Maximum Lift 15.3 ft (4660 mm)
  • Wheel Base 14.9 ft (4550 mm)
  • Ground to Lower Hitch Clearance 1.9 ft (568 mm)
  • Rear Axle - Centerline to Bumper 10.5 ft (3187 mm)
  • Ground to Center of Front Axle 3.2 ft (978 mm)
  • Maximum Overall Length 41 ft (12502 mm)
  • Ground to Top of ROPS 13.8 ft (4221 mm)
  • Fork Height with Level Arms 8.1 ft (2468 mm)
  • Ground to Bumper Clearance 3.1 ft (933 mm)
  • Hinge Pin Height at Maximum Lift 16.1 ft (4918 mm)
  • Ground to Top of Exhaust Stacks 13.8 ft (4214 mm)
  • Net Power - SAE J1349 541 HP (403 kW)
  • Direct Drive - Forward 1 ( )
  • Direct Drive - Forward 4 24.4 mile/h (39.3 km/h)
  • Relief Valve Setting - Lift/Tilt 4641 psi (32000 kPa)

Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

  • Alarm, back-up
  • Alternator, single 150 amp
  • Batteries, dry
  • Converter, 10/15 amp, 24V to 12V
  • Lighting system (halogen, work lights, access and service platform lighting)
  • Starting and charging system, 24V
  • Starter emergency start receptacle
  • Starter lockout in bumper
  • Transmission lockout in bumper

OPERATOR ENVIRONMENT

  • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
  • Air conditioner
  • Cat Detect Vision, rear vision camera system
  • Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
  • Controls, lift and tilt function
  • Heater, defroster
  • Horn, electric
  • Instrumentation, gauges: - Coolant temperature - Engine hour meter - Hydraulic oil temperature - Power train oil temperature
  • Light, cab, dome
  • Lunchbox, beverage holders
  • Mirrors, rearview (externally mounted)
  • Rimpull Control System
  • Seat, Cat Comfort (cloth), air suspension, six-way adjustable
  • Seat belt, retractable, 76 mm (3 in) wide
  • STIC Control System
  • UV glass
  • Transmission gear indicator
  • Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
  • Wet-Arm wipers/washers (front and rear): - Intermittent front and rear wipers
  • Lights, directional

POWER TRAIN

  • Swing out radiator system with 6 fpi radiator cores
  • Auto-reversing fan with adjustable controls and manual cycle
  • Hinged, perforated side doors
  • Brakes, oil-cooled, multi-disc, service/secondary
  • Case drain screens
  • Crankcase guard
  • Electro hydraulic parking brake
  • Engine, C18 MEUI diesel, turbocharged/aftercooled
  • Ground level engine shutoff
  • Turbine precleaner, engine air intake
  • Radiator, Next Generation Modular (NGMR)
  • Starting aid, ether, automatic
  • Throttle lock, electronic
  • Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
  • Transmission, planetary powershift, 4F/3R electronic control

OTHER

  • Automatic bucket lift kickout/positioner
  • Base machine price includes a rim allowance
  • Hydraulically driven demand fan
  • Couplings, Cat O-ring face seals
  • Doors, service access (locking)
  • Ecology drains for engine, radiator, hydraulic tank
  • Fuel tank, 731 L (188 gal)
  • Hitch, drawbar with pin
  • Hoses, Cat XT™
  • Hydraulic, steering and brake filtration/screening system
  • Cat Clean Emission Module
  • Oil sampling valves
  • Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)
  • Rear access to cab and service platform
  • Steering, load sensing
  • Toe kicks
  • Vandalism protection caplocks

Optional Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

POWER TRAIN

  • -50° C (-58° F) antifreeze
  • Engine oil change system, high speed, Wiggins
  • Engine block heater 120V or 240V
  • High ambient cooling - software

OPERATOR ENVIRONMENT

  • Cab precleaner
  • AM/FM/CD/MP3 radio
  • Satellite Sirius radio with bluetooth
  • LED warning strobe
  • CB radio ready
  • Window pull down visor

MISCELLANEOUS ATTACHMENTS

  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)