Pin-Verified Fitment · 5.0 T CLASS
Attachments for
CAT 305
5-ton class digging, trenching, grading, and skeleton buckets built with NM400 wear plates for CAT 305 CR excavators.
Machine Reference Data
Operating weight5.0 T CLASS
Pin diameter40 / 45 MM
Pin centers / ear width250 MM · EAR WIDTH 160 MM
Auxiliary flow80 L/MIN (21.1 GPM)
Coupler interfacePIN-ON / PIN GRABBER
VERIFIED FACTORY REFERENCE SPECS · WE DOUBLE-CHECK AGAINST YOUR SERIAL PLATE BEFORE FABRICATION
12 Compatible Attachments
Fits 305 — No Modification
Skeleton
AC-SK-020 · PIN 40 / 45 MM ✓
Skeleton Bucket
FROM$500→
Trenching
AC-TB-030 · PIN 40 / 45 MM ✓
Trenching Bucket
FROM$450→
Digging
AC-SB-035 · PIN 40 / 45 MM ✓
Digging Bucket 600
FROM$450→
Grading
AC-GB-040 · PIN 40 / 45 MM ✓
Grading Bucket
FROM$520→
Thumb
AC-TH-015 · PIN 40 / 45 MM ✓
Hydraulic Thumb
FROM$285→
Ripper
AC-RP-010 · PIN 40 / 45 MM ✓
Single-Tine Ripper
FROM$320→
Coupler
AC-MQC-030 · PIN 40 / 45 MM ✓
Mechanical Coupler
FROM$285→
Auger
AC-AU-035 · PIN 40 / 45 MM ✓
Mini Earth Auger
FROM$1,000→
Teeth
AC-GET-J200 · PIN 40 / 45 MM ✓
Teeth & Adapters
FROM$38→
Grapple
AC-RG-040 · PIN 40 / 45 MM ✓
Rotating Grapple
FROM$1,150→
Breaker
AC-HB-530 · PIN 40 / 45 MM ✓
Breaker Hammer HB530
FROM$1,180→
Pallet Forks
AC-PF-035 · PIN 40 / 45 MM ✓
Excavator Pallet Forks
FROM$620→
Root Rake
AC-RK-035 · PIN 40 / 45 MM ✓
Excavator Root Rake
FROM$340→
Cutting Edges
AC-GET-CE · PIN 40 / 45 MM ✓
Cutting Edges & Cutters
FROM$55→
Plate Compactor
AC-PC-040 · PIN 40 / 45 MM ✓
Plate Compactor
FROM$890→
FAQ · CAT 305 Fitment
Can I use a 1200 mm grading bucket on a CAT 305?
Yes. The 5-ton CAT 305 easily handles 1200 mm (48 in) smooth grading and tilting buckets.