The Cat® 309 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.The 309 CR also features high flow hydraulics to handle power hungry attachments such as mulchers and brushcutters.
Mini Excavators
Net Power
51.8KW
Displacement
3.33L
Stroke
120MM
Overview
The Cat® 309 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.
309 CR VAB (Long Undercarriage) Product BrochureCat Mini Hydraulic Excavators Product Line Brochure (North America)Cat Mini Hydraulic Excavators Product Line Brochure (Europe)Options And Accessories Kit Guide for Mini Hydraulic ExcavatorsCat Attachments for Mini Excavators BrochureAttachment Compatibility Guide for Mini Excavators
Specifications
Engine
- Net Power51.8kW
- Displacement3.33l
- Stroke120mm
- Bore94mm
- Gross Power - SAE J1995:201455.4kW
- Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC51.8kW
Attachments
COMPATIBLE WITH
8 Ton Mini Excavators Tilting Dual Lock Pin Grabber
Cat® Tilting Dual Lock Pin Grabber Couplers - Mini Excavator allow work tools to be changed quickly - improving overall production and increasing machine versatility. The Tilting Dual Lock Coupler maintains a tight fit with an innovative wedge design throughout the life of the coupler. It can be used with compatible pin-on work tools and in front shovel mode with buckets. The Tilting Dual Lock Coupler also comes with a visible locking mechanism for added security.
400 mm (16 in)
Nordic Trenching Buckets for Cat® Mini Excavators are ideal for trenching applications, but can be used for general excavation and backfilling in a variety of soil types. Durable side wear plates provide optimal wear resistance in heavy duty applications. Due to the longer bucket floor length, shorter tip radius and flat torque tube construction they are an ideal match when combined with an S Type Coupler or Tilt Rotate System.
400 mm (16 in)
Nordic Trenching Buckets for Cat® Mini Excavators are ideal for trenching applications, but can be used for general excavation and backfilling in a variety of soil types. Durable side wear plates provide optimal wear resistance in heavy duty applications. Due to the longer bucket floor length, shorter tip radius and flat torque tube construction they are an ideal match when combined with an S Type Coupler or Tilt Rotate System.
1300 mm (51 in)
Nordic Grading Buckets for Cat® Mini Excavators are ideal for grading applications, but also suitable for general excavation, loading, and backfilling in all kinds of different soil types. The design features durable wear plates for longer wear resistance in heavy duty applications. Due to the rounded side shape, shorter tip radius, and flat torque tube construction they are optimal for using in combination with a Tilt Rotate System.
1300 mm (51 in)
Nordic Grading Buckets for Cat® Mini Excavators are ideal for grading applications, but also suitable for general excavation, loading, and backfilling in all kinds of different soil types. The design features durable wear plates for longer wear resistance in heavy duty applications. Due to the rounded side shape, shorter tip radius, and flat torque tube construction they are optimal for using in combination with a Tilt Rotate System.
1300 mm (51 in)
Nordic Grading Buckets for Cat® Mini Excavators are ideal for grading applications, but also suitable for general excavation, loading, and backfilling in all kinds of different soil types. The design features durable wear plates for longer wear resistance in heavy duty applications. Due to the rounded side shape, shorter tip radius, and flat torque tube construction they are optimal for using in combination with a Tilt Rotate System.
1300 mm (51 in)
Cat® Pallet Fork Carriages for are designed to meet a wide variety of material handling needs. Use carriages with different length fork tines for moving bulky or palletized materials on construction and industrial sites, handling bagged fertilizer and seed at landscaping and nursery sites.
HMF210
Cat® Flail Mowers for Mini Excavators are designed for high-performance cutting and mulching of vegetation and undergrowth from overgrown and forested terrain. Flail Mowers are ideal for environmental maintenance applications, such as mowing along ditches, fence rows and retention ponds and cleaning up high banks and slopes.
305 mm (12 in) 7-8 Ton, Pin On
Cat® Compaction Wheels for Backhoe Loaders and Mini Excavators provide a low cost option for trench compaction. The wheels feature tapered roller bearings and tampered foot design with static pad rollers, to allow for smooth operation and achieving a high level of compaction. Six to ten passes are usually adequate to achieve compaction in normal soil conditions, dependent on the required compaction levels.
457 mm (18 in) 7-8 Ton, Pin On
Cat® Compaction Wheels for Backhoe Loaders and Mini Excavators provide a low cost option for trench compaction. The wheels feature tapered roller bearings and tampered foot design with static pad rollers, to allow for smooth operation and achieving a high level of compaction. Six to ten passes are usually adequate to achieve compaction in normal soil conditions, dependent on the required compaction levels.
610 mm (24 in) 7-8 Ton, Pin On
Cat® Compaction Wheels for Backhoe Loaders and Mini Excavators provide a low cost option for trench compaction. The wheels feature tapered roller bearings and tampered foot design with static pad rollers, to allow for smooth operation and achieving a high level of compaction. Six to ten passes are usually adequate to achieve compaction in normal soil conditions, dependent on the required compaction levels.
914 mm (36 in) 7-8 Ton, Pin On
Cat® Compaction Wheels for Backhoe Loaders and Mini Excavators provide a low cost option for trench compaction. The wheels feature tapered roller bearings and tampered foot design with static pad rollers, to allow for smooth operation and achieving a high level of compaction. Six to ten passes are usually adequate to achieve compaction in normal soil conditions, dependent on the required compaction levels.
G108 Stiff link
Contractors’ Grapples are a proven product built for your high-volume material handling needs. Designed for long-lasting durability, Contractors’ Grapples are made to help you in the toughest of applications.
B9
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
B9s
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
B8s
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
H80s
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
H95s
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
B8
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
B6s
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
B6
Cat® Hammers for Skid Steer Loaders, Compact Track Loaders, Mini Excavators and Backhoe Loaders are high performance breakers, designed for maximum performance on demolition, construction, and road work.
330 mm (13 in)
Heavy Duty Buckets for Cat® Mini Excavators are designed for maximum performance and value over a broad range of applications in abrasive applications such as mixed dirt, clay, and rock.
457 mm (18 in)
Heavy Duty Buckets for Cat® Mini Excavators are designed for maximum performance and value over a broad range of applications in abrasive applications such as mixed dirt, clay, and rock.
610 mm (24 in)
Heavy Duty Buckets for Cat® Mini Excavators are designed for maximum performance and value over a broad range of applications in abrasive applications such as mixed dirt, clay, and rock.
762 mm (30 in)
Heavy Duty Buckets for Cat® Mini Excavators are designed for maximum performance and value over a broad range of applications in abrasive applications such as mixed dirt, clay, and rock.
914 mm (36 in)
Heavy Duty Buckets for Cat® Mini Excavators are designed for maximum performance and value over a broad range of applications in abrasive applications such as mixed dirt, clay, and rock.
A68, 5 Ton
Cat® Augers are used for drilling holes for footings, fencing, signs, trees and shrubs in construction, agricultural, and landscaping applications. They are designed with the right amount of speed and torque for maximum productivity in a broad range of soil types.
PC35
Cat® Cold Planers are designed for small paving jobs in residential and commercial applications and are primarily used to economically restore asphalt and concrete surfaces. They are ideal for milling imperfections prior to resurfacing, removing deteriorated pavement, removing traffic lane stripes and jobs where the use of dedicated planers is limited. The Cat Cold Planers are designed for use on Cat Skid Steer Loaders, Compact Track Loaders, Compact Wheel Loaders and Backhoe Loaders.
PC45
Cat® Cold Planers are designed for small paving jobs in residential and commercial applications and are primarily used to economically restore asphalt and concrete surfaces. They are ideal for milling imperfections prior to resurfacing, removing deteriorated pavement, removing traffic lane stripes and jobs where the use of dedicated planers is limited. The Cat Cold Planers are designed for use on Cat Skid Steer Loaders, Compact Track Loaders, Compact Wheel Loaders and Backhoe Loaders.
1219 mm (48 in)
Ditch Cleaning Buckets for Cat® Mini Excavators are ideal for cleaning wide trenches, loading materials, slope cutting, grading and finishing work in construction, landscaping and road maintenance applications.
1372 mm (54 in)
Ditch Cleaning Buckets for Cat® Mini Excavators are ideal for cleaning wide trenches, loading materials, slope cutting, grading and finishing work in construction, landscaping and road maintenance applications.
1524 mm (60 in)
Ditch Cleaning Buckets for Cat® Mini Excavators are ideal for cleaning wide trenches, loading materials, slope cutting, grading and finishing work in construction, landscaping and road maintenance applications.
HM208
Cat® Mulchers for Skid Steer Loaders and Compact Track Loaders are designed for high-performance cutting and mulching vegetation and undergrowth from forested terrain. The hydraulic mulcher reduces saplings, shrubs and trees into mulched material, making it ideal for environmental maintenance, such as creating fire lanes. Other applications include land reclamation, foliage removal from building construction sites, and shredding pruned material and organic waste for biomass production.
HM210
Cat® Mulchers for Skid Steer Loaders and Compact Track Loaders are designed for high-performance cutting and mulching vegetation and undergrowth from forested terrain. The hydraulic mulcher reduces saplings, shrubs and trees into mulched material, making it ideal for environmental maintenance, such as creating fire lanes. Other applications include land reclamation, foliage removal from building construction sites, and shredding pruned material and organic waste for biomass production.
1200 mm (47 in)
Grading Buckets for Cat® Mini Excavators are designed to provide optimum grading, trenching, slope-cutting and finishing work in addition to nesting additional buckets for ease of transportation.
1500 mm (59 in)
Grading Buckets for Cat® Mini Excavators are designed to provide optimum grading, trenching, slope-cutting and finishing work in addition to nesting additional buckets for ease of transportation.
610 mm (24 in)
Heavy Duty Rock Buckets for Cat® Mini Excavators are built for aggressive bucket loading in highly abrasive applications such as severe rock.
762 mm (30 in)
Heavy Duty Rock Buckets for Cat® Mini Excavators are built for aggressive bucket loading in highly abrasive applications such as severe rock.
8 Ton Mini Excavators Manual
Cat® Dual Lock™ Pin Grabber Couplers allow work tools to be changed quickly - improving overall production and increasing machine versatility.
8 Ton Mini Excavators Hydraulic
Cat® Dual Lock™ Pin Grabber Couplers allow work tools to be changed quickly - improving overall production and increasing machine versatility.
S-50 Pin Grabber 8 Ton Mini Excavators
S-50 Pin Grabber LCS 8 Ton Mini Excavators
S-45 Pin Grabber LCS 7-9 Ton
Cat® S Type Couplers for Mini Excavators are an optimal design for a dedicated quick coupler solution. Low offset, pin grabber ability, and a wedge type locking system ensures a tight fit, no attachment play during use. It also creates the solution to exchange work tools among different platforms and brands. In combination with the Tilt Rotate System that can be equipped with an S Type Coupler and the variety of different buckets offered, it provides a complete attachment solution for Mini Excavators. The coupler is designed with the highest safety standards and comes with a visible locking mechanism.
762 mm (30 in), Pin Lock
Cat® Heavy Duty Buckets for Backhoe Loaders are well suited for semi-rocky soil or where hard bank material must be broken out and removed.
914 mm (36 in), Pin Lock
Cat® Heavy Duty Buckets for Backhoe Loaders are well suited for semi-rocky soil or where hard bank material must be broken out and removed.
861 mm (34 in)
Cat® Excavator Rippers offer a cost-effective alternative to blasting. In quarry production work, they offer a lower cost per ton, better product quality and less environmental impact than explosive excavation. They are the ideal tool for land clearing or site preparation in rock, quarry work and similar high-impact digging applications. Take productivity to the next level with a Cat Rip & Load package. A quick coupler switches you rapidly between the ripper, and an Extreme Duty Rock bucket. Pull the rock from the ground and load it with the same machine.
7 - 9 Ton Excavator Class
Cat® Skid Steer Adapters allow connecting to certain recommended Skid Steer Interface Type attachments. Adapters are available for both Mini Hydraulic Excavators and Compact Wheel Loaders, to allow sharing of tools across different machine families and reducing job site storage space storage by eliminating machine specific tools.
S308
Ideal for interior demolition tasks, the compact S305 mounted on a Cat® Skid Steer Loader or Mini Excavator goes where no other demolition tool can. Remove conduits, wiring and interior fixtures.
CVP40
Cat® Vibratory Plate Compactors are used for compacting soil, sand or gravel prior to pouring concrete or laying asphalt surfaces. They are also ideal for asphalt patch work. Their capabilities and lower investment and maintenance costs make them popular with pavers, general contractors and utility contractors in residential, commercial or industrial applications.
CVP55
Cat® Vibratory Plate Compactors are used for compacting soil, sand or gravel prior to pouring concrete or laying asphalt surfaces. They are also ideal for asphalt patch work. Their capabilities and lower investment and maintenance costs make them popular with pavers, general contractors and utility contractors in residential, commercial or industrial applications.
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