ALL DAY COMFORT
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Caterpillar
307.5 Mini Hydraulic Excavator
Net Power
54.8 hp
40.9 kW
Operating Weight
17905 lb
8120 kg
Dig Depth
182.8 in
4642 mm
Overview
The Cat® 307.5 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
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Exterior
Model shown represents features on all Cat® Mini Excavators except where indicated.
Interior
Model shown represents features on all Cat® Mini Excavators except where indicated.
Features
EASY TO OPERATE
STICK STEER TRAVEL MODE
BIG PERFORMANCE IN A MINI DESIGN
SAFETY ON THE JOB SITE
SIMPLE SERVICE FOR LESS DOWNTIME
SUSTAINABILITY
Details
Specifications
Engine
| Spec | Value |
|---|---|
| Net Power | 54.8 hp 40.9 kW |
| Displacement | 148 in³ 2.43 l |
| Gross Power – SAE J1995 | 57.9 hp 43.2 kW |
| Bore | 3.4 in 87 mm |
| Stroke | 4 in 102.4 mm |
| Rated Net Power – 2,400 rpm – U.S. EPA Tier 4 Final/EU Stage V – ISO 9249/EEC 80/1269 | 54.8 hp 40.9 kW |
| Engine Model | Cat C2.4 Turbo Cat C2.4 Turbo |
Weights
| Spec | Value |
|---|---|
| Operating Weight | 17905 lb 8120 kg |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. |
| Maximum Operating Weight with Cab** | 17905 lb 8120 kg |
| Minimum Operating Weight with Cab* | 16549 lb 7505 kg |
| Note (1) | *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. |
Dimensions - Long Stick
| Spec | Value |
|---|---|
| Dig Depth | 182.8 in 4642 mm |
| Cab Height | 100 in 2541 mm |
| Maximum Blade Height | 14.6 in 370 mm |
| Track Belt/Shoe Width | 17.7 in 450 mm |
| Maximum Dump Clearance | 225.1 in 5717 mm |
| O/A Undercarriage Length | 108.7 in 2760 mm |
| O/A Track Width | 86.6 in 2200 mm |
| Vertical Wall | 161.9 in 4113 mm |
| Width over Upper House | 88.6 in 2250 mm |
| Boom In Reach | 88.6 in 2250 mm |
| Stick Length | 86.9 in 2208 mm |
| Tail Swing with Counterweight | 76 in 1930 mm |
| Maximum Reach | 267.9 in 6805 mm |
| Ground Clearance | 14.6 in 370 mm |
| Swing Bearing – Height | 29.7 in 756 mm |
| Tail Swing without Counterweight | 70.9 in 1800 mm |
| Maximum Dig Height | 305.7 in 7765 mm |
| Maximum Blade Depth | 16 in 407 mm |
| Maximum Reach – Ground Level | 262.6 in 6670 mm |
| Height – Boom Transport – No Tools | 100.4 in 2550 mm |
| Overall Shipping Length – without Counterweight | 240.9 in 6120 mm |
| Overall Shipping Length – with Counterweight | 246.1 in 6250 mm |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. Boom Height when stick is pinned in transport position with no attachments. |
| Height – Boom Working – With Tools | 124 in 3150 mm |
| Note (2) | Boom Height when stick is pinned in working position with attachments. Boom Height when stick is pinned in working position with attachments. |
Weight Increase from Minimum Configuration
| Spec | Value |
|---|---|
| Long Stick | 181 lb 82 kg |
| Counterweight | 552 lb 250 kg |
| Steel Tracks with Pads | 628 lb 285 kg |
Travel System
| Spec | Value |
|---|---|
| Maximum Traction Force – Low Speed | 14035 lb 62.4 kN |
| Maximum Traction Force – High Speed | 5856 lb 26.1 kN |
| Travel Speed – High | 3.1 mile/h 5 km/h |
| Ground Pressure – Maximum Weight | 5.5 psi 37.7 kPa |
| Travel Speed – Low | 1.9 mile/h 3.1 km/h |
| Gradeability – Maximum | 30 degrees 30 degrees |
| Ground Pressure – Minimum Weight | 5.1 psi 34.8 kPa |
Service Refill Capacities
| Spec | Value |
|---|---|
| Cooling System | 2.6 gal (US) 10 l |
| Hydraulic System | 29 gal (US) 110 l |
| Hydraulic Tank | 14 gal (US) 53 l |
| Fuel Tank | 38 gal (US) 145 l |
| Engine Oil | 2.5 gal (US) 9.5 l |
Hydraulic System
| Spec | Value |
|---|---|
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Operating Pressure – Swing | 3626 psi 250 bar |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Pump Flow at 2,400 rpm | 44 gal/min 167 l/min |
| Digging Force – Stick – Standard | 8504 lb 37.8 kN |
| Operating Pressure – Travel | 4134 psi 285 bar |
| Operating Pressure – Equipment | 4134 psi 285 bar |
| Digging Force – Stick – Long | 7579 lb 33.7 kN |
| Digging Force – Bucket | 12272 lb 54.6 kN |
| Maximum Auxiliary Circuit – Secondary – Flow at Pump | 9 gal/min 33 l/min |
| Maximum Auxiliary Circuit – Secondary – Pressure at Pump | 4134 psi 285 bar |
| Maximum Auxiliary Circuit – Primary – Flow at Pump | 35 gal/min 131 l/min |
| Maximum Auxiliary Circuit – Primary – Pressure at Pump | 4134 psi 285 bar |
Swing System
| Spec | Value |
|---|---|
| Machine Swing Speed | 10 r/min 10 r/min |
Blade
| Spec | Value |
|---|---|
| Height | 17 in 431 mm |
| Width | 90 in 2280 mm |
Certification - Cab
| Spec | Value |
|---|---|
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level I) ISO 10262:1998 (Level I) |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
Sound
| Spec | Value |
|---|---|
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) 72 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 98 dB(A) 98 dB(A) |
| Note | European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” |
Air Conditioning System
| Spec | Value |
|---|---|
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains .90 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains .90 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. |
Dimensions - Standard Stick
| Spec | Value |
|---|---|
| Tail Swing with Counterweight | 76 in 1930 mm |
| Vertical Wall | 141.6 in 3597 mm |
| Tail Swing without Counterweight | 70.9 in 1800 mm |
| Stick Length | 65.6 in 1665 mm |
| Boom In Reach | 66.2 in 1681 mm |
| Track Belt/Shoe Width | 17.7 in 450 mm |
| Ground Clearance | 14.6 in 370 mm |
| O/A Track Width | 86.6 in 2200 mm |
| Maximum Reach – Ground Level | 242.1 in 6151 mm |
| O/A Undercarriage Length | 108.7 in 2760 mm |
| Width over Upper House | 88.6 in 2250 mm |
| Maximum Reach | 247.9 in 6297 mm |
| Swing Bearing – Height | 29.7 in 756 mm |
| Maximum Blade Height | 14.6 in 370 mm |
| Maximum Blade Depth | 16 in 407 mm |
| Dig Depth | 161.4 in 4100 mm |
| Maximum Dump Clearance | 208.6 in 5300 mm |
| Cab Height | 100 in 2541 mm |
| Maximum Dig Height | 289.3 in 7348 mm |
| Height – Boom Working – With Tools | 107.5 in 2730 mm |
| Overall Shipping Length – with Counterweight | 245.3 in 6230 mm |
| Note (2) | Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. |
| Overall Shipping Length – without Counterweight | 240.2 in 6100 mm |
| Height – Boom Transport – No Tools | 101.2 in 2570 mm |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. Boom Height when stick is pinned in transport position with no attachments. |
Sustainability
| Spec | Value |
|---|---|
| Recyclability | 96% 96% |
Standard Equipment
ENGINE
- Cat C2.4 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Swing Brake
- Automatic Two Speed Travel
- Fuel Water Separator with Indicator
- Radial Seal – Double Element Air Filter
- Extended Life Coolant, –37° C ( –37° F)
HYDRAULICS
- Smart Tech Electronic Pump
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Power On Demand
- Hydraulic Temperature Monitoring
- Certified Accumulator
- HYDO Advanced Hydraulic Oil
OPERATOR ENVIRONMENT
- Top Guard ISO 10262 1998 Level I
- ROPS ISO 12117-2:2008
- Stick Steer Mode
- Travel Cruise Control
- Control Pattern Changer
- Adjustable Wrist Rests
- Molded Footrests
- Removable, Washable Floor Mat
- Travel Pedals and Hand Levers
- Cat Key with Passcode Option
- HVAC with Automatic Temperature Control
- Hydraulic Lockout Controls
- Integrated Lower Front Window
- Assisted Front Window Overhead Storage
- Rear Window Emergency Exit
- Fabric, High Back, Suspension Seat
- Retractable Seat Belt (75 mm/3 in)
- Coat Hook
- Cup Holder
- LED Interior Light
- Literature Holder
- Mounting Bosses for Top and Front Guards
- 12V Power Socket
- Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only)
- Skylight
- Signaling/Warning Horn
- Cab and (left side) Boom Work Lights
- Utility Space for Mobile Phone
- Next Generation Color LCD Monitor (IP66)
– Jog Dial Interface (cab machines only)
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Camera Ready (IP68 & IP69K)
– Hour Meter with Wake Up Switch
UNDERCARRIAGE
- Greased and Lubricated Track
- Tie Down Eyes on Track Frame
- Dozer Straight Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
BOOM, STICK AND LINKAGES
- One Piece Boom (3700 mm/145.7 in)
- Standard Stick (1665 mm/65.6 in)
- Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools
- Thumb Ready (not available in all regions)
- Certified Lifting Eye (optional in some regions)
ELECTRICAL
- 12 Volt Electrical System
- 90 Ampere Alternator
- 900 CCA Maintenance Free Battery
- Battery Disconnect
- Ignition Key Stop Switch
- Product Link™ Basic (regulations apply)
- Travel Alarm
OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors
Optional Equipment
OPERATOR ENVIRONMENT
- Air Suspension Heated Seat
- Rain Visor
- Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
– Jog Dial Control Interface
– Touch Screen
– Site Reference System
– High Definition Camera Capable (IP68 & IP69K)
– Numeric Security Code
UNDERCARRIAGE
- Steel Tracks (450 mm/17.7 in wide)
- Wide Steel Tracks (600 mm/23.6 in)
- Steel Track with Rubber Pads
- Track Guides
BOOM, STICK AND LINKAGES
- Long Stick (2200 mm/86.6 in)
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Bucket Linkage with Lift Eye
ELECTRICAL
- Product Link Elite (regulations apply)
- Rearview Camera
- Rotating Beacon
GUARDING
- Heavy Duty Front Guard ISO 10262 1998 Level II
- Mesh Front Guard ISO 10262 1998 Level I
- Overhead Cab Guard ISO 10262 1998 Level II
- Polycarbonate Front Window EN356 P5A (Cab Only)
- Track Guards
OTHER
- Water Jacket Heater
- Refueling Pump
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S308