304E2 CR / 304.5E2 CR / 305E2 CR / 305.5E2 CR Maintenance & Service

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Parts Reference Guide

*For additional Wear and Repair Parts, click on the Parts Reference Guide document.

Standard Maintenance Greases

Previous Cat Product Name Cat Ultra5 Moly Number 1 Cat Ultra Moly  Number 2  Cat Advanced 3 Moly
Current Cat Product Name Cat Extreme Application Grease 1 Cat Extreme Application Grease 2 Cat Prime Application Grease
Grade (NLGI) 1 2 2
Melting Point C° (F°) 260 (500) 260 (500) 260 (500)
Ambient Temperature C° (F°) -35 to +40 (-31 to +104) -30 to +50 (-22 to +122) -20 to +40 (-4 to +104)
Base Oil Type Mineral Mineral Mineral
Color Dark Grey Dark Grey Dark Grey
Cartridge (390 g/14 oz) 452-5996 452-6001 452-6006
Plastic Pail (5 kg/11 lb) - - -
Plastic Pail (16 kg/35 lb) 452-5999 452-6004 452-6009
Keg (55 kg/120 lb) 452-5998 452-6003 452-6008
Drum (180 kg/400 lb) 452-5997 452-6002 452-6007

 

Greases For Unique Applications And Environments

Previous Cat Product Name Cat Arctic Platinum Cat Desert Gold Cat Multipurpose Hammer Paste
Current Cat Product Name Cat Extreme Application Grease - Arctic Cat Extreme Application Grease - Desert Cat Utility Grease
Grade (NLGI) 0 2 2 2
Melting Point C° (F°) 230 (446) 280 (536) 260 (500) 230 (446)
Ambient Temperature C° (F°) -35 to +40 (-31 to +104) 30 to +50 (-22 to +122) -30 to +40 (-22 to +104) -20 to +1100 (-4 to +2012)
Base Oil Type Semi-Synthetic Mineral Mineral Mineral
Color Dark Grey Dark Grey Blue Bronze
Cartridge (390 g/14 oz) - 452-6016 452-6011 130-6951 (standard) 317-8491 (autolube)
Plastic Pail (5 kg/11 lb) - - - 133-8807
Plastic Pail (16 kg/35 lb) 508-2187 452-6019 452-6014 -
Keg (55 kg/120 lb) 508-2186 452-6018 452-6013 -
Drum (180 kg/400 lb) 508-2185 452-6017 452-6012 -
Sales Model Serial Number Prefix Part Number
ALL ALL 153-5656
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Planned Maintenance 

Mini Excavators
(Over 3 Tons)		 Initial 250 Hours
Sales Model Serial Number Prefix Final Drive Oil Change
(Each Side)		 Hydraulic Filter Change
(No Oil Change)
Oil Quantity Liter (Gallon) GO Filter Element
304E2 CR CJ2, ME4 1 (0.26) 421-5481
304.5E2 CR FXT
305E2 CR DJX, H5M
305.5E2 CR EJX, CR5 1.3 (0.34) 362-1163
Mini Excavators
(Over 3 Tons)		  Every 500 Hours
Sales Model Serial Number Prefix Engine Oil / Filter Change Engine Air Filters Cabin** Fuel Filter Change
Filter Element Oil Quantity Liter (Gallon) Primary Element Secondary Element Recirculation Filter In-Line Element FWS Element
304E2 CR CJ2, ME4 377-6969 9.5 (2.5) 415-2592 415-2593
454-5034^		 443-4035 1G-7206^ 156-1200
304.5E2 CR FXT 454-5034 1G-7206 363-5819
305E2 CR DJX, H5M 415-2593
454-5034^		 1G-7206^ 156-1200
305.5E2 CR EJX, CR5

**Closed Cab
^Only for US EPA Tier 4 Final Engines

Mini Excavators
(Over 3 Tons)		  Every 1000 Hours
Sales Model Serial Number Prefix Engine A/C Compressor Final Drive Oil Change
(Each Side)
V-Belt V-Belt Oil Quantity Liter (Gallon) GO
304E2 CR CJ2, ME4 389-1590 415-2652 1 (0.26)
304.5E2 CR FXT
305E2 CR DJX, H5M
305.5E2 CR EJX, CR5

1,000-hour cycle includes 500-hour part numbers

Mini Excavators
(Over 3 Tons)		  Every 1500 Hours
Sales Model Serial Number Prefix Engine
Breather Element
304E2 CR CJ2, ME4 421-1888^
304.5E2 CR FXT 421-1888
305E2 CR DJX, H5M 421-1888^
305.5E2 CR EJX, CR5

1,500-hour cycle includes 500-hour part numbers

^Only for Tier 4 Final Engines

Mini Excavators
(Over 3 Tons)		  Every 1500 Hours
Sales Model Serial Number Prefix Hydraulic Filter Change Hydraulic Oil Change Final Drive Oil Change
(Each Side)
Filter Element Oil Quantity (Liter) Hydo Adv Oil Quantity (Liter) GO
304E2 CR CJ2, ME4 421-5481 33 -
304.5E2 CR FXT
305E2 CR DJX, H5M 48
305.5E2 CR EJX, CR5

2,000-hour cycle includes 500-hour part numbers and 1,000-hour part numbers.

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Technical Specifications

* Dimensions listed may vary depending on machine configuration.

Sales Model Serial Number Prefix Canopy- Standard Stick Canopy - Long Stick Cab - Standard Stick Cab - Long Stick
304E2 CR CJ2, ME4 8,655 lb 3925 kg 8,721 lb 3955 kg 8,930 lb 4050 kg 8,996 lb 4080 kg
304.5E2 CR FXT
305E2 CR DJX, H5M 10,970 lb 4975 kg 11,069 lb 5020 kg 11,334 lb 5140 kg 11,443 lb 5185 kg
305.5E2 CR EJX, CR5 11,503 lb 5217 kg 11,596 lb 5259 kg 11,863 lb 5380 kg 11,958 lb 5423 kg
Sales Model Serial Number Prefix Dig Depth - Standard Stick Dig Depth - Long Stick Overall Track Width - Standard Stick Overall Track Width - Long Stick
304E2 CR CJ2, ME4 123 in 3130 mm 135 in 3430 mm 77 in 1950 mm 77 in 1950 mm
304.5E2 CR FXT
305E2 CR DJX, H5M 129 in 3280 mm 144 in 3670 mm 78 in 1980 mm 78 in 1980 mm
305.5E2 CR EJX, CR5 137 in 3470 mm 152 in 3870 mm 78 in 1980 mm 78 in 1980 mm
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