303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Caterpillar Approved Work Tools Caterpillar


Caterpillar Approved Work Tools
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The following work tools have been approved by AVSpare. Refer to the owners manual and the service manual for each work tool for proper operation, maintenance, and servicing of the work tools.

Table 1
AVSpare Approved Work Tools for Mini Hydraulic Excavators 
Work Tool  Machine 
303.5D CR 304D CR  305D CR  305.5D CR 
A14B Auger  218-3198  218-3198 
A19B Auger  220-7137  220-7137  275-1000 
A26B Auger  275-1001 
CVP16 Compactor  222-3780  222-3780  222-3780  222-3780 
B2 Hammer  532-9102(4)
532-9202(4) 
B4 Hammer  532-9104(1)
532-9204 (2) 
532-9104 (1)
532-9204 (2) 
532-9104 (1)
532-9204 (2) 
532-9104 (1)
532-9204 (2) 
B6 Hammer  532-9106 (1)
532-9206 (2) 
532-9106 (1)
532-9206 (2) 
523-3106 (3)
532-9106 (1)
532-9206 (2)
523-3116 (1) 
523-3106 (3)
532-9106 (1)
532-9206 (2)
523-3116 (1) 
H55D S Hammer - Pin-On  249-0023(4)
249-1145(5)
270-8681(6) 
249-0023(4)
249-1145(5)
270-8681(6) 
H55D S Hammer - Flat Top  313-3992(4)
280-9827(5)
330-5359(6) 
313-3992(4)
280-9827(5)
330-5359(6) 
H65D S Hammer - Pin-On  249-3161(4)
252-1211(5)
270-8681(6) 
249-3161(4)
283-1502(5)
270-8682(6) 
249-3161(4)
283-1502(5)
270-8682(6) 
H65D S Hammer - Flat Top  312-3266(4)
308-7541(5)
270-8682(6) 
312-3266(4)
308-7541(5)
270-8682(6) 
Ripper Shank  453-8570  453-8570  453-8571  453-8571 
Quick Coupler  Hydraulic Dual Lock Pin Grabber Quick Coupler  Hydraulic Dual Lock Pin Grabber Quick Coupler  Hydraulic Dual Lock Pin Grabber Quick Coupler  Hydraulic Dual Lock Pin Grabber Quick Coupler 
Manual Dual Lock Pin Grabber Quick Coupler Manual Dual Lock Pin Grabber Quick Coupler  Manual Dual Lock Pin Grabber Quick Coupler  Manual Dual Lock Pin Grabber Quick Coupler 
- Hydraulic Dual Lock Pin Grabber Tilting Coupler  Hydraulic Dual Lock Pin Grabber Tilting Coupler 
(1) Non-silenced
(2) Silenced
(3) China only
(4) Hammer
(5) Mounting Group/Bracket
(6) Lines Group

The use of hammers shortens the life of hydraulic oil. If a hammer is used, the following measures should be taken:

  • Shorten the interval for changing the hydraulic oil to 1500 service meter hours.

  • Use SAE 30 hydraulic oil or 15w40 hydraulic oil to sustain seal life.

This list was completed at the time of publication. There may be additional work tools that have been approved since that time. Consult your Cat® dealer for an updated list of approved work tools.

Information System:

374D Excavator Hydraulic System Check Valve (Return Makeup)
374D Excavator Hydraulic System Load Signal Reduction Manifold - Load Signal Diverter Solenoid Valve and Load Signal Reduction Valve
390D Excavator Hydraulic System Final Drive
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators Track Adjustment - Adjust
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Hydraulic System Oil - Change
374D Excavator Hydraulic System Bypass Valve (Return)
320 VH and VM Variable Gauge Undercarriage Final Drive - Remove and Install - VH Undercarriage
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Fuses - Replace
320E and 323E Excavators Fuel System Secondary Filter - Replace
C13, C15, and C18 Tier 4 Interim Engines Engine Misfires, Runs Rough or Is Unstable
325D and 329D Excavators Lifting and Tying Down the Machine
374F Excavator Hydraulic System Travel Counterbalance Valve
374D Excavator Hydraulic System Relief Valve (Cushion Crossover) - Anti-Reaction Valve
374D Excavator Hydraulic System Swing Drive
374D Excavator Hydraulic System Hydraulic Tank and Filter
374D Excavator Hydraulic System Fan Pump (Hydraulic and Radiator Cooling)
VT-30, VT-40, VT-50 and VT-60 Multi-Processors Hydraulic Cylinder Cycle Time - Check
VT-30, VT-40, VT-50 and VT-60 Multi-Processors Host Machine Pressure and Flow - Test
VT-30, VT-40, VT-50 and VT-60 Multi-Processors Hydraulic Rotator Oil Flow - Test
VT-30, VT-40, VT-50 and VT-60 Multi-Processors Swivel
325 VM and VH Variable Gauge Undercarriage Final Drive - Remove and Install - VM Undercarriage
374D Excavator Hydraulic System Bucket Hydraulic System
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Track - Separate - Press Fit Master Pin
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Track - Connect - Press Fit Master Pin