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M318 Wheeled Excavator
374 Hydraulic Excavator
340 UHD Ultra High Demolition Hydraulic Excavator

Engine

Engine Power - ISO 14396 174 HP 485 HP 347 HP
Engine Power - ISO 14396 (DIN) 176 hp (metric) 492 hp (metric) 351 hp (metric)
Engine Model C4.4 Cat C15 Cat C9.3B
Net Power - ISO 9249 171 HP 484 HP 346 HP
Net Power - ISO 9249 (DIN) 174 hp (metric) 491 hp (metric) 352 hp (metric)
Bore 4 in 5.4 in 5 in
Displacement 285.5 in³ 928 in³ 568 in³
Stroke 5 in 6.7 in 6 in
Biodiesel Capability Up to B20¹ Up to B20¹ Up to B20¹
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,700 rpm. Advertised power is tested per the specified standard in effect at time of Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,900 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2) ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Machine Weight

Operating Weight Maximum 43980 lb - -
Operating Weight Minimum 38580 lb - -
Note (1) Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration. - -
Note (2) Typical configurations include 2500 mm (8'2") medium stick and 3700 kg (8,157 lb) counterweight. - -

Drive

Maximum Travel Speed 21.7 mile/h - -

Hydraulic System

Main System - Maximum Flow - Implement 67 gal/min 237 gal/min -
Maximum Pressure - Equipment 5366 psi 5366 psi 5076 psi
Maximum Pressure - Swing 5149 gal/min 5076 psi 4264 psi
Maximum Pressure - Travel 5076 gal/min 5076 psi 5076 psi
Maximum Pressure - Equipment - Lift Mode - 5511 psi 5511 psi
Main System - Maximum Flow - - 560 l/min (148 gal/min)

Service Refill Capacities

Cooling System 8.5 gal (US) 19 gal (US) 11 gal (US)
Diesel Exhaust Fluid (DEF) 5.3 gal (US) - -
Hydraulic System - Including Tank 68.7 gal (US) 164 gal (US) 145 gal (US)
Hydraulic Tank 31.7 gal (US) 86 gal (US) 43 gal (US)
Final Drive 0.7 gal (US) - -
Fuel Tank 92.5 gal (US) - -
Fuel Tank Capacity - 243 gal (US) 159 gal (US)
Engine Oil - 16 gal (US) 9 gal (US)
Swing Drive - 5 gal (US) 5 gal (US)
Final Drive - Each - 9 gal (US) 2 gal (US)
DEF Tank - 21 gal (US) 21 gal (US)

Dimensions

Boom 5205 mm (17'1") Reach 7.8m (25'7") -
Bucket 0.91 m³ GD (1.19 yd³) SD 3.3 m³ (4.32 yd³) -
Stick 2.5 m (8' 2") R3.6m (11'10") -
Shipping Height - Top of Cab 11 ft 11.8 ft 11.1 ft
Shipping Length 27.8 ft 44.9 ft 49.9 ft
Counterweight Clearance 4.3 ft 4.1 ft 4.6 ft
Ground Clearance 1.1 ft 2.6 ft 1.7 ft
Support Point 11.5 ft - -
Tail Swing Radius 7.7 ft 13.8 ft 11.6 ft
Wheel Base 8.9 ft - -
Handrail Height - 13 ft -
Track Length - 19.3 ft 18.9 ft
Track Length to Center of Rollers - 15.5 ft 15.6 ft
Track Gauge - 11.2 ft -
Transport Width - 11.1 ft 10.7 ft
Note - Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps -
Note (1) - - 22 m (72'2") UHD Front
Cab Height - With OPG - - 11.8 ft
Working Gauge - Extended Position - - 11.1 ft
Shipping Gauge - Retracted Position - - 7.8 ft
Machine Length - without Front, with Counterweight - - 23.3 ft
Machine Length - without Front and Counterweight - - 22.9 ft
Track Width - Extended - - 13.1 ft
Track Width - Retracted - - 9.8 ft
Note (2) - - 600 mm (24") Track Shoes

Working Ranges and Forces

Boom Type VA Boom - -
Bucket 0.91 m³ GD (1.19 yd³) - -
Digging Height 19.3 ft - -
Stick 2.5 m (8' 2") - -
Reach at Ground Level 30.2 ft - -
Vertical Wall Digging Depth 15.1 ft - -
Note (1) Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW-30 quick coupler with a tip radius of 1484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o - 22 m (72' 2") UHD Front (Over-the-Front)
Bucket Forces (ISO) 26752 lbf - -
Stick Forces (ISO) 16861 lbf - -
Cutting Height 33.7 ft - -
Maximum Pin Height at Stick Nose - - 72.2 ft
Maximum Weight at Stick Nose - - 8160 lb
Maximum Working Pin Height at Stick Nose - 1/2 - - 61 ft
Maximum Working Reach at Stick Nose - 1/2 - - 38.4 ft
Maximum Height at Stick Nose in Max Reach Position - - 41.5 ft
Maximum Reach at Stick Nose - - 44.4 ft

Swing Mechanism

Maximum Swing Speed 32560 ft·lbf - -
Swing Speed 9.4 r/min 6.34 r/min 8 r/min
Maximum Swing Torque - 220000 ft·lbf 105000 ft·lbf

Service Refill

Engine Oil 2.9 gal (US) - -

Air Conditioning System

Note The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 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 1.00 kg (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).

Sustainability

Recyclability 92% - -

Weights

Operating Weight - 162900 lb 122600 lb
Note - Long Variable Gauge undercarriage, Reach boom, R4.67VB (15'4") stick, SD 3.3 m³ (4.32 yd³) bucket, 900 mm (35") HD double grouser shoes and removal type counterweight. -
Note (1) - - Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9.0 mt (19,842 lb) counterweight. No work tool.
Machine Weight - Retrofit Configuration - - 118600 lb
Note (2) - - Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9.0 mt (19,842 lb) counterweight.
UHD in Cradle - - 18700 lb
Retrofit Boom in Cradle - R3.9 DB Stick - - 13710 lb
Retrofit Boom in Cradle - R3.2 DB Stick - - 13340 lb
Retrofit Boom in Cradle - R2.8 DB Stick - - 13120 lb
2-piece Retrofit boom in cradle - R3.2 DB stick - - 17440 lb

Working Ranges & Forces

Maximum Digging Depth - 28.1 ft -
Boom - Reach 7.8m (25'7") -
Stick - R3.6m (11'10") -
Bucket - SD 3.3 m³ (4.32 yd³) -
Maximum Reach at Ground Level - 43.2 ft -
Maximum Cutting Height - 41.2 ft -
Maximum Loading Height - 27.7 ft -
Minimum Loading Height - 10.1 ft -
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom - 27.8 ft -
Maximum Vertical Wall Digging Depth - 22.8 ft -
Bucket Digging Force - ISO - 80550 ft·lbf -
Stick Digging Force - ISO - 66390 ft·lbf -

Swing Mechanism - UHD Fronts

Swing Speed - - 4.09 r/min

Working Ranges and Forces - Retrofit Boom - Straight

Note 1 - - Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage
Bucket - - GD 2.27 m³ (2.97 yd³)
Maximum Pin Height at Stick Nose - - 39.8 ft
Maximum Weight at Stick Nose - - 9260 lb
Maximum Height at Stick Nose in Max Reach Position - - 7.6 ft
Maximum Reach at Stick Nose - - 34.8 ft
Maximum Digging Depth - - 16.1 ft
Maximum Reach - Ground Level - - 39.9 ft
Maximum Loading Height - - 34 ft
Minimum Loading Height - - 15.7 ft
Bucket Digging Force - ISO - - 47160 lbf
Stick Digging Force - ISO - - 37300 lbf

Working Ranges and Forces - Retrofit Boom - Bent

Note 1 - - Bent - R3.2DB (10'6") Stick - HVG Undercarriage
Bucket - - GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth - - 21.4 ft
Maximum Reach - Ground Level - - 36.7 ft
Maximum Cutting Height - - 35.4 ft
Maximum Loading Height - - 24.9 ft
Minimum Loading Height - - 10.4 ft
Bucket Digging Force - ISO - - 47160 lbf
Stick Digging Force - ISO - - 37300 lbf
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