Medium Dozers D8 GC

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Key Specs

Engine Model: Cat 3406C; Cat 3406C

Power - Net: 303 hp; 226 kW

Operating Weight: 82800 lb; 37557 kg

D8 GC
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Overview

DESIGNED FOR YOUR BUSINESS

The Cat® D8 GC gives you performance and durability in a simple, economical dozer. Designed to take on everything from rocky terrain to desert sand to extreme cold, this bulldozer is easy to operate and delivers the straightforward service and maintenance you need.

Benefits

Maximum Uptime

Designed and built by Caterpillar using proven components. Simple to maintain and repair, even in remote locations.

Robust Performance

Solid dozing and ripping performance, along with easy operation. Durable Cat 3406C mechanical engine, robust structures and high drive undercarriage.

UP TO 10% Lower Owning Cost

Choose simplified options for reduced acquisition cost. Competitive performance and fuel efficiency help you maximize your equipment investment.

Features At A Glance

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FITS YOUR BUSINESS NEEDS

Cost effective to own and operate - up to 10 percent lower owning cost compared to D8T.
Choices like General Duty undercarriage and a simplified ripper offer lower initial purchase price options.
Delivers the weight and horsepower you need for solid dozing and ripping performance.
Equipped with the well-known Cat 3406C engine and mechanical transmission for power and ease of maintenance.

Comparisons to D8T.

BECAUSE UPTIME COUNTS

Easy maintenance with widely available parts.
Simple mechanical systems are easy to diagnose, maintain and repair, even in remote locations.
Major components are modular for easy maintenance and repair access.
Wide access doors and grouped service points save routine maintenance time.
Individual radiator cores can be quickly replaced for ease of service.
Exclusive new Cat hydraulic and power train oil filters offer extended service intervals to save you time and money.
Product Link™ telematics* help simplify your maintenance by tracking machine location and service hours.

*Not available in all areas. Please consult your Cat dealer.

BUILT TO LAST

Caterpillar designed power train components work as a system for reliability and performance.
Durable, proven Cat 3-speed mechanical planetary power shift transmission.
Heavy structures make for a robust machine that can stand up to high impact shock loads and twisting forces.
Caterpillar elevated sprocket undercarriage protects the power train from shock loads.
Suspended undercarriage provides a smooth ride and better traction in uneven terrain.

HARD WORKING

Harness more power to the ground with a proven, Caterpillar exclusive torque divider.
Differential Steering maintains full power to both tracks for best-in-class turning, even with a full blade load.
High drive design allows heavy components to sit low in the mainframe, resulting in a low center of gravity and excellent machine balance.
Dedicated implement pump ensures hydraulic power when you need it.
Proven Advanced Modular Cooling System (AMOCS) offers cooling capacity and air flow so you can work in the most demanding environments.

OPERATOR PRODUCTIVITY

Choice of cab or canopy dozer, with Integrated Roll Over Protective Structure (ROPS/FOPS), for comfort, excellent visibility and added safety.
Simple tiller bar control for direction and gear selection offers easy operation and precise control in close areas.
Quiet cab interior, pressurized to help keep out dust for a cleaner operating environment.
Easy-to-read analog display with machine health monitoring keeps operator informed about machine operating conditions.
Added comfort with available cab air conditioning.
Choose from three light packages, all with longer life, brighter LED bulbs to illuminate your work area.

UNDERCARRIAGE DURABILITY

Choose Heavy Duty undercarriage for aggressive, high-impact applications like logging/reforestation, side slopes and rocky conditions.
General Duty undercarriage is available for low-to-moderate impact applications.
General Duty and Heavy Duty components are interchangeable and Heavy Duty shoes can be installed on General Duty link assemblies to maximize flexibility to meet your needs.

Cost effective to own and operate - up to 10 percent lower owning cost compared to D8T.
Choices like General Duty undercarriage and a simplified ripper offer lower initial purchase price options.
Delivers the weight and horsepower you need for solid dozing and ripping performance.
Equipped with the well-known Cat 3406C engine and mechanical transmission for power and ease of maintenance.

Comparisons to D8T.

Easy maintenance with widely available parts.
Simple mechanical systems are easy to diagnose, maintain and repair, even in remote locations.
Major components are modular for easy maintenance and repair access.
Wide access doors and grouped service points save routine maintenance time.
Individual radiator cores can be quickly replaced for ease of service.
Exclusive new Cat hydraulic and power train oil filters offer extended service intervals to save you time and money.
Product Link™ telematics* help simplify your maintenance by tracking machine location and service hours.

*Not available in all areas. Please consult your Cat dealer.

Caterpillar designed power train components work as a system for reliability and performance.
Durable, proven Cat 3-speed mechanical planetary power shift transmission.
Heavy structures make for a robust machine that can stand up to high impact shock loads and twisting forces.
Caterpillar elevated sprocket undercarriage protects the power train from shock loads.
Suspended undercarriage provides a smooth ride and better traction in uneven terrain.

Harness more power to the ground with a proven, Caterpillar exclusive torque divider.
Differential Steering maintains full power to both tracks for best-in-class turning, even with a full blade load.
High drive design allows heavy components to sit low in the mainframe, resulting in a low center of gravity and excellent machine balance.
Dedicated implement pump ensures hydraulic power when you need it.
Proven Advanced Modular Cooling System (AMOCS) offers cooling capacity and air flow so you can work in the most demanding environments.

Choice of cab or canopy dozer, with Integrated Roll Over Protective Structure (ROPS/FOPS), for comfort, excellent visibility and added safety.
Simple tiller bar control for direction and gear selection offers easy operation and precise control in close areas.
Quiet cab interior, pressurized to help keep out dust for a cleaner operating environment.
Easy-to-read analog display with machine health monitoring keeps operator informed about machine operating conditions.
Added comfort with available cab air conditioning.
Choose from three light packages, all with longer life, brighter LED bulbs to illuminate your work area.

Choose Heavy Duty undercarriage for aggressive, high-impact applications like logging/reforestation, side slopes and rocky conditions.
General Duty undercarriage is available for low-to-moderate impact applications.
General Duty and Heavy Duty components are interchangeable and Heavy Duty shoes can be installed on General Duty link assemblies to maximize flexibility to meet your needs.

Semi-Universal (SU) blade gives you the capacity you need for a wide variety of earthmoving jobs.
Add an optional Rock Guard and Wear Plate to the blade for added durability and longer wear life.
Rear attachment choices add versatility - choose single-shank ripper, rigid drawbar, rear counterweights or a dealer-installed winch.
A fixed ripper provides a simplified, lower cost option.
Choose a single-shank ripper with pin puller to enable shank position changes from the cab.

Equip your dozer with factory features designed to enhance machine performance in extremely sandy or abrasive underfoot conditions.
Cooling system is designed for high debris environments, with easy access for cleanout.
Specially coated fan and radiator help resist abrasion.
Core protection grid.
High ambient fluids package.
Sealed bottom guard and added seals to help keep fine abrasive particles out of components.
Optional wear plates can be replaced to give you longer blade life when working in abrasive conditions.

For work in extreme cold, choose factory options for added starting capability and improved component performance in arctic temperatures.
Cold weather batteries provide added cranking power.
Arctic undercarriage and carrier rollers have cold weather seals for added protection.
Arctic lubricant provides a thinner oil for better lubrication in extreme conditions.

Specifications Standard Equipment Optional Equipment

Product Specifications for D8 GC

Engine

Engine Model	Cat 3406C Cat 3406C
Power - Net	303 hp 226 kW
Net Power - Rated - ISO 9249/SAE J1349	303 hp 226 kW
Net Power - Rated - ISO 9249/SAE J1349 (DIN)	307 mhp 307 mhp
Build Number	18A 18A
Emissions	Noncertified Noncertified
Biodiesel Capability	Up to B100* Up to B100*
Note (1)	Net power advertised is the power available at the flywheel when engine is equipped with a fan at maximum speed, air cleaner, muffler and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when engine is equipped with a fan at maximum speed, air cleaner, muffler and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	Cat engines are compatible with the following renewable, alternative, and bio-fuels* with lower greenhouse gas emission impact: Up to B20 biodiesel (FAME)*, up to 100% HVO and GTL renewable fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. **Up to B100 capable when equipped with optional B100-compliant fuel lines. Please consult the Operations and Maintenance Manual (OMM) for further information. Cat engines are compatible with the following renewable, alternative, and bio-fuels with lower greenhouse gas emission impact: Up to B20 biodiesel (FAME), up to 100% HVO and GTL renewable fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. **Up to B100 capable when equipped with optional B100-compliant fuel lines. Please consult the Operations and Maintenance Manual (OMM) for further information.

Weights

Operating Weight

82800 lb 37557 kg

Transmission

Powertrain

Fully Mechanical Fully Mechanical

Service Refill Capacities

Fuel Tank

165 gal (US) 625 l

Standard SU

Operating Weight	82800 lb 37557 kg
Ground Pressure	12.4 psi 85.3 kPa
Width of Standard Shoe	24 in 610 mm
Blade	Semi-Universal (SU) Semi-Universal (SU)
Blade Capacity	11.4 yd³ 8.7 m³

Desert/High Abrasion

Operating Weight	83502 lb 37876 kg
Ground Pressure	12.5 psi 86 kPa
Width of Standard Shoe	24 in 610 mm
Blade	Semi-Universal (SU) Semi-Universal (SU)
Blade Capacity	11.4 yd³ 8.7 m³

Note (1)

Configurations and features may vary by region. Please consult your Cat dealer for availability in your area. Configurations and features may vary by region. Please consult your Cat dealer for availability in your area.

D8 GC Standard Equipment

NOTE

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

Powertrain

Cat 3406C DITA diesel engine

3F/3R speed powershift transmission

4-planetary double reduction final drives

Precleaner

Fan speed - basic

Cooling fan

Fuel priming pump

Operator Environment

Enclosed cab with integrated ROPS/FOPS

Adjustable contour suspension cloth seat

Adjustable armrest

Retractable seatbelt, 76 mm (3 in) wide

Differential steering tiller bar with dual-twist control

Electronic monitoring system

Underhood air conditioning

Undercarriage

Suspended undercarriage: Heavy Duty Positive Pin Retention (PPR)

Sealed and lubricated track: 44 section positive pin retention (PPR)

Moderate Service track shoes

Lifetime lubricated track rollers and idlers

Hydraulic track adjusters

Replaceable sprocket rim segments

Technology Products

Product Link, Basic Cellular PL243

Product link ready

Electrical

2 Batteries, 12V each, 24V system

12V Converter, 10 amp with outlet in cab

LED Lights - 4

Hydraulics

Load sensing dozer (lift/tilt) hydraulics

Ripper (lift/pitch) hydraulics

Independent steering and implement hydraulic pumps

Service and Maintenance

Sampling ports for engine oil, coolant, powertrain oil, hydraulic oil

Blades

Semi-Universal (SU) blade

Guards

Bottom guards

Dozer Arrangements

Standard Arrangement

D8 GC Optional Equipment

NOTE

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

Powertrain

Turbine precleaner

Turbine precleaner with screen

Fan speed - decrease

Cooling fan - reversible

Cooling fan - coated

B100-compliant fuel lines (required for Indonesia)

Operator Environment

Canopy with integrated ROPS/FOPS

Vinyl seat

No air conditioning

Undercarriage

Suspended undercarriage - General Duty

Suspended undercarriage - Heavy Duty Cold Weather

General Duty track shoes

Extreme Service track shoes

Technology Products

Product Link, Cellular PL641

Product Link, Satellite PL631

No Product Link

Electrical

4 Batteries - 12V each, 24V system

4 Batteries - cold weather, 24V

LED Lights - 6

LED Lights - 10

Service and Maintenance

High speed oil change system

Blades

Semi-Universal (SU) blade with rock guard and wear plate

Rear Attachments

Single shank ripper

Single shank ripper - fixed link

Single shank ripper with pin puller

Multi-shank ripper

Rear counterweight

Additional counterweight

Guards

Rear cab screen

Bottom guards - heavy duty desert

Fuel tank guard

Dozer Arrangements

Basic Arrangement

Desert Arrangement

Product Specifications for D8 GC

Download Print

Engine

Engine Model	Cat 3406C Cat 3406C
Power - Net	303 hp 226 kW
Net Power - Rated - ISO 9249/SAE J1349	303 hp 226 kW
Net Power - Rated - ISO 9249/SAE J1349 (DIN)	307 mhp 307 mhp
Build Number	18A 18A
Emissions	Noncertified Noncertified
Biodiesel Capability	Up to B100* Up to B100*
Note (1)	Net power advertised is the power available at the flywheel when engine is equipped with a fan at maximum speed, air cleaner, muffler and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when engine is equipped with a fan at maximum speed, air cleaner, muffler and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	Cat engines are compatible with the following renewable, alternative, and bio-fuels* with lower greenhouse gas emission impact: Up to B20 biodiesel (FAME)*, up to 100% HVO and GTL renewable fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. **Up to B100 capable when equipped with optional B100-compliant fuel lines. Please consult the Operations and Maintenance Manual (OMM) for further information. Cat engines are compatible with the following renewable, alternative, and bio-fuels with lower greenhouse gas emission impact: Up to B20 biodiesel (FAME), up to 100% HVO and GTL renewable fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. **Up to B100 capable when equipped with optional B100-compliant fuel lines. Please consult the Operations and Maintenance Manual (OMM) for further information.

Weights

Operating Weight

82800 lb 37557 kg

Transmission

Powertrain

Fully Mechanical Fully Mechanical

Service Refill Capacities

Fuel Tank

165 gal (US) 625 l

Standard SU

Operating Weight	82800 lb 37557 kg
Ground Pressure	12.4 psi 85.3 kPa
Width of Standard Shoe	24 in 610 mm
Blade	Semi-Universal (SU) Semi-Universal (SU)
Blade Capacity	11.4 yd³ 8.7 m³

Desert/High Abrasion

Operating Weight	83502 lb 37876 kg
Ground Pressure	12.5 psi 86 kPa
Width of Standard Shoe	24 in 610 mm
Blade	Semi-Universal (SU) Semi-Universal (SU)
Blade Capacity	11.4 yd³ 8.7 m³

Note (1)

D8 GC Standard Equipment

NOTE

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

Powertrain

Cat 3406C DITA diesel engine

3F/3R speed powershift transmission

4-planetary double reduction final drives

Precleaner

Fan speed - basic

Cooling fan

Fuel priming pump

Operator Environment

Enclosed cab with integrated ROPS/FOPS

Adjustable contour suspension cloth seat

Adjustable armrest

Retractable seatbelt, 76 mm (3 in) wide

Differential steering tiller bar with dual-twist control

Electronic monitoring system

Underhood air conditioning

Undercarriage

Suspended undercarriage: Heavy Duty Positive Pin Retention (PPR)

Sealed and lubricated track: 44 section positive pin retention (PPR)

Moderate Service track shoes

Lifetime lubricated track rollers and idlers

Hydraulic track adjusters

Replaceable sprocket rim segments

Technology Products

Product Link, Basic Cellular PL243

Product link ready

Electrical

2 Batteries, 12V each, 24V system

12V Converter, 10 amp with outlet in cab

LED Lights - 4

Hydraulics

Load sensing dozer (lift/tilt) hydraulics

Ripper (lift/pitch) hydraulics

Independent steering and implement hydraulic pumps

Service and Maintenance

Sampling ports for engine oil, coolant, powertrain oil, hydraulic oil

Blades

Semi-Universal (SU) blade

Guards

Bottom guards

Dozer Arrangements

Standard Arrangement

D8 GC Optional Equipment

NOTE

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

Powertrain

Turbine precleaner

Turbine precleaner with screen

Fan speed - decrease

Cooling fan - reversible

Cooling fan - coated

B100-compliant fuel lines (required for Indonesia)

Operator Environment

Canopy with integrated ROPS/FOPS

Vinyl seat

No air conditioning

Undercarriage

Suspended undercarriage - General Duty

Suspended undercarriage - Heavy Duty Cold Weather

General Duty track shoes

Extreme Service track shoes

Technology Products

Product Link, Cellular PL641

Product Link, Satellite PL631

No Product Link

Electrical

4 Batteries - 12V each, 24V system

4 Batteries - cold weather, 24V

LED Lights - 6

LED Lights - 10

Service and Maintenance

High speed oil change system

Blades

Semi-Universal (SU) blade with rock guard and wear plate

Rear Attachments

Single shank ripper

Single shank ripper - fixed link

Single shank ripper with pin puller

Multi-shank ripper

Rear counterweight

Additional counterweight

Guards

Rear cab screen

Bottom guards - heavy duty desert

Fuel tank guard

Dozer Arrangements

Basic Arrangement

Desert Arrangement

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

VisionLink™

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VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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VisionLink™ is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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