319D L/319D LN Hydraulic Excavator

Achieve high productivity and lower operating costs with the Cat® 319D L/319D LN Hydraulic Excavator. Unmatched versatility, improved controllability, easy operation and a comfortable, redesigned operator station help make the 319D an industry-leading performer.

Operator Station



New levels of comfort, visibility and operation

Cab



Experience a spacious, quiet and comfortable operator station. The cab is pressurized to reduce the amount of dust that enters the cab, keeping the operator comfortable the entire shift, while assuring high productivity during long work hours. ulli The comfortable seat adjusts to suit the operators size and weight. Available as an option is a heated, air suspension seat.lili Standard air conditioning with automatic climate control adjusts temperature and airflow.lili Low effort joystick controls are designed to match the operators natural wrist and arm position. Joysticks can be operated with arms on the armrest. The horizontal and vertical strokes are designed to reduce fatigue.liul

Prestart Check and Monitor Display



Prior to starting the machine, the system checks for low engine oil, hydraulic oil and engine coolant fluid levels and warns the operator through a color Liquid Display LCD monitor. The LCD monitor displays vital operating and performance information in 27 different languages for operator convenience.

Cab Exterior



The 319D L319D LN provide a new cab design that allows the Falling Object Guard System 40FOGS41 to be bolted directly to the cab, at the factory or in the field, enabling the machine to meet specifications and job site requirements. The cab shell is attached to the frame with viscous rubber cab mounts that dampen vibrations and sound levels to enhance operator comfort.

Machine Security System



An optional Machine Security System 40MSS41 utilizes a programmable key, deterring theft, vandalism and unauthorized usage. MSS uses electronically coded keys selected by the customer to limit usage by individuals or time parameters.

Engine



Clean, quiet operation with reduced fuel consumption.



The Cat C4.2 engine with ACERT Technology optimizes performance and meets U.S. EPA Tier 3 and EU Stage IIIA regulations. In conjunction with integrated electronics, ACERT Technology reduces emissions during the combustion process by using advanced technology in the air and fuel system. The Cat C4.2 engine delivers exceptional power, allowing more hydraulic pressure to drive productivity and reduce your cost per tone of material moved.

Automatic Engine Control and Fuel Delivery



A twostage control and onetouch low idle button maximizes fuel efficiency and reduces sound levels. Fuel delivery is managed by the ADEM A4 Engine Controller for the best performance per liter gallon of fuel used. Flexible fuel mapping allows the engine to respond quickly to varying application needs. Electronic controls govern the fuel injection system. Multiple injection fuel delivery involves a high level of precision and by precisely shaping the combustion cycle, lowers combustion chamber temperatures, generates fewer emissions and optimizes fuel combustion. This means more work output for your fuel cost.

Crankshaft and Pistons



A forged, onepiece, induction hardened crankshaft enhances balance, decreases vibration and improves abrasion resistance. Heat resistant, aluminum alloy pistons have a short compression height for greater efficiency and longer life.

Economy Mode



Accessible through the incab monitor, economy mode allows you to balance the demands of performance and fuel economy while maintaining the breakout forces and lift capacity enjoyed at standard power.

Hydraulics



High efficiency and performance with low effort and precise control.

Outstanding Performance



With two percent more hydraulic pressure for additional lift and breakout forces, the 319D L319D LN hydraulic system is designed for high efficiency and performance. Auxiliary hydraulic and electrical lines are routed to the boom foot as standard, making installation of hydraulic circuits much easier. This compact design utilizes shorter tubes and lines, reducing friction and pressure drops, resulting in a more efficient use of power. ulli Hydraulic snubbers at the rod end of the boom cylinders and both ends of the stick cylinders cushion shock, reduce sound and increase cylinder life.lili Flow is reduced to a minimum when controls are in neutral to reduce fuel consumption and extend component life.lili Hydraulic CrossSensing System uses two hydraulic pumps up to 100 percent of available hydrauilc power under all operating conditions, improving productivity with faster implement speeds and quicker, stronger pivot turns.lili A longer undercarriage versus 318C L318C LN and heavy counterweight option that provides additional 300 kg 600 lb provide increased stability to better utilize breakout forces and hydraulic lifting capability.liul

Boom and Stick Regeneration Circuit



The boom and stick electronic regeneration circuit saves energy during boomdown and stickin operation, increasing efficiency and lowering operating costs.

Easy Operation



Work mode and power mode switches have been eliminated making full power available at all times. Operators do not need to learn different modes, an automatic boom and swing priority function automatically selects the best mode based on joystick movement.

Undercarriage and Structures



Excellent stability and maneuverability.



Caterpillar uses advanced engineering and software to analyze all structures, creating a durable, reliable machine for the toughest applications. More than 70 percent of the structural welds are robotic and achieve additional penetration over manual welds. These structural components and undercarriage are the backbone of the machines durability.

Carbody Design



Xshaped, box section carbody provides excellent resistance to torsional bending. Robotwelded track roller frames are pressformed, pentagonal units that deliver exceptional strength and service life. Integral to the track roller frame are the standard idler and center guards, which help maintain track alignment when traveling or working on slopes.

Grease Lubricated Track



Track links are assembled and sealed with grease to decrease wear and increase life by as much as 25 percent, when compared to dry seal undercarriages.

Travel Motors



Travel motors with automatic speed selection let the 319D L319D LN automatically change up and down from high and low speeds in a smooth, controlled manner.

Front Linkage



Performance, reliability and durability.



Built for performance and long service life, Cat booms and sticks are welded, boxsection structures with thick multiplate high strength steel fabrications. The 319D L319D LN offers one boom with three different stick options.

Sticks



The three stick options provide flexibility to optimize and match reach, dig depth and lifting and digging forces to the application.

Boom



The boom is designed for maximum digging capability and is robotic welded to ensure consistent quality. This allows excellent allaround versatility and a large working envelope.

Versatility



Do more with less.

Work Tools



Caterpillar offers a variety of work tools including Hammers, Thumbs, Grapples, MultiProcessors, Shears, Pulverizers, Vibratory Compactors and Rippers to fit your needs. A wide range of buckets are also available to optimize machine performance. Auxiliary hydraulic and electrical lines are routed to the boom foot as standard for easier retrofit of auxiliary hydraulic circuits, therefore reducing time, parts and cost required to add a work tool.

Hydraulic Pin Grabber Coupler



An optional hydraulic pin grabber coupler is available to pick up a wide variety of buckets and work tools without having to leave the cab, thus maximizing productivity.

Cat KSeries Tooth System



The Cat KSeries Tooth System provides more wear material, a longer tip and adapter life, a onepiece vertical drive retainer, reliable tip retention and easy installation and removal, improving performance and penetration.

Enhanced Systems



Work tool functionality has increased the versatility of the machine with the enhancement of the following ulli Optional Combined Function Circuit enables one or two pump flow in one or two directions. This single hydraulic circuit runs tools such as a hydraulic thumb, hammer, plate compactor, tilting bucket and auger.lili Tool Control System stores up to 10 different tool settings through the incab monitor. Cat Work Tools are selectable with preset flows and pressures.lili Optional Priority Flow System offers all the advantages of the Combined Function Circuit plus true priority flow for hydraulic work tools such as rotary mowers.liul

Transportability



The 319D L319D LN depending on overall machine configuration can typically meet federal gross weight transport limits for truck, trailer and machine combined. The Long Narrow LN undercarriage provides additional flexibility to meet the transport width limit of 2590 mm 8 ft 6 in when equipped with 600 mm 24 in track shoes, which is critical in some areas. This all adds up to more permitfree transportability, lowering operating costs and allowing frequent movement of the machine with less hassle.

Serviceability



Simplified service and maintenance saves time and money.



Designed with the service technician in mind, many service locations are at ground level so critical maintenance can be done quickly and efficiently. Longer maintenance intervals reduce cost and increase machine availability. ulli LCD monitor has the capability to memorize working hours for filters, fluids, components and work tools. Working time histories and recommended change intervals can be displayed.lili Engine oil level check, fuel filters and priming pump are conviently located on the front of the engine for easy maintenance.lili An optional electronic fuel water sensor is available to alert the operator when the water level is high.lili Product Link assists with fleet management by tracking hours, location and product health.lili New antiskid plates over the top of the storage box and upper structure help prevent slipping and mud from falling into the upper structure.liul

Sampling Ports



Equipped with SOSSM sampling ports and test ports for hydraulics, engine oil and coolant for quick diagnostics. A test connection for the Cat Electronic Technician Cat ET service tool is now located in the cab.

Air Cleaner



A doublelayered filter core in the radial seal air filter gives more efficient filtration. A warning is displayed on the monitor when dust accumulates above a preset level. This filter is conveniently located in the compartment behind the cab. An optional precleaner is also available to extend filter life and reduce maintenance costs.

Capsule Filter



Capsuletype, hydraulic return filter is accessible from outside the tank and prevents contaminants from entering the system when changing the hydraulic oil.

Radiator Compartment



Horizontal air conditioner condenser swings out for easy cleaning. Removable screens are located in front of the radiator and hydraulic cooler, reducing cleaning time and effort.

Customer Support



Unmatched support makes the difference.

Your Cat dealer is ready to assist you with your purchase decision and everything after.



ulli Make detailed comparisons of the machines you are considering before you buy with estimates of component life, preventive maintenance and the true cost of production.lili Customize the machine that is right for you using the Build and Quote application on your dealers web site or www.cat.com.lili Get the latest training literature and trained staff.lili Repair option programs guarantee the cost of repairs up front.lili Nearly all parts are available at dealer parts counters.lili Financing packages are flexible to meet your needs.lili Your Cat dealer can evaluate the cost involved in repairing, rebuilding and replacing your machine, so you can make the right choice. liulSAFETY.CAT.COM


Engine
Engine Model
Cat® C4.2 ACERT™
Flywheel Power
125 hp
Gross Power
131 hp
ISO 9249
125 hp
Bore
4 in
Stroke
5.1 in
Displacement
259 in3
Net Power (SAE J1349)
125 hp

Weights
Operating Weight
43872 lb
Operating Weight - Long Undercarriage
43872 lb
Operating Weight - Long Narrow Undercarriage
42946 lb

Drive
Maximum Drawbar Pull
46466 lb
Maximum Travel Speed
3 mph

Swing Mechanism
Swing Torque
37394 lb ft
Swing Speed
11.1 RPM

Hydraulic System
Main Implement System - Maximum Flow (2x)
46.5 gal/min
Maximum Pressure - Implements
5076 psi
Maximum Pressure - Travel
5076 psi
Maximum Pressure - Swing
3336 psi
Pilot System - Maximum Flow
7.1 gal/min
Pilot System - Maximum Pressure
598 psi
Boom Cylinder - Bore
4.7 in
Boom Cylinder - Stroke
47 in
Stick Cylinder - Bore
5.1 in
Stick Cylinder - Stroke
53.7 in
Bucket Cylinder - Bore
4.3 in
Bucket Cylinder - Stroke
41.3 in

Service Refill Capacities
Fuel Tank
79.3 gal
Cooling System
5.8 gal
Engine Oil
5.2 gal
Swing Drive (each)
2.1 gal
Final Drive (Each)
2.6 gal
Hydraulic System (Including Tank)
50.2 gal
Hydraulic Tank
28 gal

Dimensions
Transport width
110 in