| Part # | Alternate Part # | Description |
|---|
| ATP ZA500 | #3991408,460583,ZA499 | RIng Gear Outer Diameter=14.096" Inner Diameter 13.268" Pitch=12/14 Width=.440" Teeth=168 Chamfer=NONE |
| ATP ZA501 | #C7AE6384A | RIng Gear Outer Diameter=14.215" Inner Diameter 12.955" Pitch=12 Spec. Width=.375" Teeth=164 Chamfer=NONE |
| ATP ZA502 | #C5AZ6384A | RIng Gear Outer Diameter=15.503" Inner Diameter 14.210" Pitch=12/14 Width=.375" Teeth=184 Chamfer=NONE |
| ATP ZA503 | #C7OP6384A | RIng Gear Outer Diameter=13.294" Inner Diameter 12.025" Pitch=12/14 Width=.365" Teeth=157 Chamfer=NONE |
| ATP ZA505 | #2863495 | RIng Gear Outer Diameter=12.276" Inner Diameter 11.190" Pitch=10 Width=.350" Teeth=122 Chamfer=NONE |
| ATP ZA506 | #D7TZ6384A | RIng Gear Outer Diameter=15.512" Inner Diameter 14.518" Pitch=12 Width=.440" Teeth=180 Chamfer=NONE |
| ATP ZA507 | #2402216 | RIng Gear Outer Diameter=13.195" Inner Diameter 12.160" Pitch=10 Width=.375" Teeth=130 Chamfer=NONE |
| ATP ZA508 | #2843214 | RIng Gear Outer Diameter=14.568" Inner Diameter 13.560" Pitch=10 Width=.340" Teeth=143 Chamfer=NONE |
| ATP ZA509 | #3179741 | RIng Gear Outer Diameter=13.830" Inner Diameter 12.820" Pitch=12/14 Width=.420" Teeth=164 Chamfer=NONE |
| ATP ZA510 | #3515203 | RIng Gear Outer Diameter=13.195" Inner Diameter 11.190" Pitch=10 Width=.340" Teeth=130 Chamfer=NONE |
| ATP ZA511 | #359115 | RIng Gear Outer Diameter=11.910" Inner Diameter 11.088" Pitch=12 Width=.453" Teeth=142 Chamfer=NONE |
| ATP ZA512 | #3991407 | RIng Gear Outer Diameter=12.486" Inner Diameter 12.006" Pitch=12/14 Width=.460" Teeth=153 Chamfer=NONE |
| ATP ZA513 | #151116R1 | RIng Gear Outer Diameter=16.033" Inner Diameter 15.103" Pitch=12/14 Width=.365" Teeth=192 Chamfer=NONE |
| ATP ZA515 | #C6DZ6384A | RIng Gear Outer Diameter=11.798" Inner Diameter 10.808" Pitch=12/14 Width=.437" Teeth=136 Chamfer=NONE |
| ATP ZA516 | #1345320010 | RIng Gear Outer Diameter=11.588" Inner Diameter 10.206" Pitch=10 Width=.350" Teeth=115 Chamfer=FRONT |
| ATP ZA517 | #12312A8600 | RIng Gear Outer Diameter=12.051" Inner Diameter 10.780" Pitch=10 Width=.475" Teeth=120 Chamfer=FRONT |
| ATP ZA521 | #3214033 | RIng Gear Outer Diameter=13.833" Inner Diameter 12.906" Pitch=12/14 Width=.437" Teeth=164 Chamfer=NONE |
| ATP ZA522 | #5222789 | RIng Gear Outer Diameter=11.767" Inner Diameter 10.823" Pitch=12 Width=.331" Teeth=139 Chamfer=NONE |
| ATP ZA523 | #3732638 | RIng Gear Outer Diameter=15.868" Inner Diameter 14.695" Pitch=10 Width=.355" Teeth=158 Chamfer=NONE |
| ATP ZA524 | #1733880 | RIng Gear Outer Diameter=15.869" Inner Diameter 14.691" Pitch=12 Width=.375" Teeth=186 Chamfer=NONE |
| ATP ZA525 | #4348276 | RIng Gear Outer Diameter=11.767" Inner Diameter 10.823" Pitch=12 Width=.272" Teeth=139 Chamfer=NONE |
| ATP ZA526 | #5240159 | RIng Gear Outer Diameter=10.575" Inner Diameter 9.854" Pitch=12 Width=.330" Teeth=125 Chamfer=NONE |
| ATP ZA527 | #5206000 | RIng Gear Outer Diameter=11.060" Inner Diameter 10.181" Pitch=12 Width=.346" Teeth=133 Chamfer=NONE |
| ATP ZA528 | #3241718 | RIng Gear Outer Diameter=12.480" Inner Diameter 11.661" Pitch=12/14 Width=.473" Teeth=148 Chamfer=NONE |
| ATP ZA529 | #9776081 | RIng Gear Outer Diameter=12.835" Inner Diameter 12.003" Pitch=12/14 Width=.440" Teeth=153 Chamfer=NONE |
| ATP ZA531 | #499858 | RIng Gear Outer Diameter=13.965" Inner Diameter 12.907" Pitch=12 Width=.379" Teeth=166 Chamfer=NONE |
| ATP ZA532 | #14033090 | RIng Gear Outer Diameter=12.410" Inner Diameter 11.588" Pitch=12 Width=.453" Teeth=148 Chamfer=NONE |
| ATP ZA534 | #D12P6384AA | RIng Gear Outer Diameter=11.293" Inner Diameter 10.402" Pitch=12 Width=.365" Teeth=135 Chamfer=NONE |
| ATP ZA535 | #1345360010 | RIng Gear Outer Diameter=13.765" Inner Diameter 12.576" Pitch=10 Width=.510" Teeth=136 Chamfer=FRONT |
| ATP ZA536 | #422272 | RIng Gear Outer Diameter=14.129" Inner Diameter 13.268" Pitch=10 Width=.453" Teeth=139 Chamfer=FRONT |
| ATP ZA537 | #55755DB | RIng Gear Outer Diameter=11.447" Inner Diameter 10.500" Pitch=8/10 Width=.563" Teeth=90 Chamfer=NONE |
| ATP ZA539 | #C0DP6384A | RIng Gear Outer Diameter=11.157" Inner Diameter 10.309" Pitch=12/14 Width=.365" Teeth=132 Chamfer=NONE |
| ATP ZA540 | #2369440 | RIng Gear Outer Diameter=15.970" Inner Diameter 15.012" Pitch=12/14 Width=.485" Teeth=191 Chamfer=NONE |
| ATP ZA542 | #D4FZ6384A | RIng Gear Outer Diameter=11.256" Inner Diameter 10.141" Pitch=12.025 Width=.365" Teeth=132 Chamfer=NONE |
| ATP ZA543 | #1231218000 | RIng Gear Outer Diameter=10.655" Inner Diameter 9.451" Pitch=10/12 Width=.400" Teeth=105 Chamfer=FRONT |
| ATP ZA544 | #1345310010 | RIng Gear Outer Diameter=10.681" Inner Diameter 9.325" Pitch=10 Width=.355" Teeth=106 Chamfer=FRONT |
| ATP ZA548 | #211105271 | RIng Gear Outer Diameter=10.731" Inner Diameter 9.993" Pitch=10 Width=.375" Teeth=109 Chamfer=NONE |
| ATP ZA549 | #55105275 | RIng Gear Outer Diameter=10.588" Inner Diameter 9.856" Pitch=11.85 Width=.325" Teeth=125 Chamfer=NONE |
| ATP ZA550 | #311105271 | RIng Gear Outer Diameter=10.878" Inner Diameter 9.993" Pitch=12 Width=.375" Teeth=130 Chamfer=NONE |
| ATP ZA554 | #C7VP6384A | RIng Gear Outer Diameter=14.206" Inner Diameter 13.005" Pitch=12 Width=.365" Teeth=164 Chamfer=NONE |
| ATP ZA555 | #4202950 | RIng Gear Outer Diameter=10.328" Inner Diameter 9.485" Pitch=12 Width=.331" Teeth=121 Chamfer=NONE |
| ATP ZA559 | #D4ZP6384AA | RIng Gear Outer Diameter=11.675" Inner Diameter 10.750" Pitch=12 Width=.365" Teeth=138 Chamfer=NONE |
| ATP ZA560 | #133483R1 | RIng Gear Outer Diameter=17.487" Inner Diameter 16.120" Pitch=10/12 Width=.500" Teeth=173 Chamfer=NONE |
| ATP ZA565 | #326759R1 | RIng Gear Outer Diameter=16.685" Inner Diameter 15.490" Pitch=8/10 Width=.875" Teeth=132 Chamfer=REAR |
| ATP ZA566 | #367042R1 | RIng Gear Outer Diameter=13.560" Inner Diameter 12.332" Pitch=10/12 Width=.485" Teeth=134 Chamfer=NONE |
| ATP ZA567 | #802925 | RIng Gear Outer Diameter=12.942" Inner Diameter 10.980" Pitch=10/12 Width=.375" Teeth=129 Chamfer=NONE |
| ATP ZA568 | #341604R1 | RIng Gear Outer Diameter=16.680" Inner Diameter 15.485" Pitch=8/10 Width=.610" Teeth=132 Chamfer=REAR |
| ATP ZA570 | #E5TZ6384B | RIng Gear Outer Diameter=15.681" Inner Diameter 14.484" Pitch=10/12 Width=.500" Teeth=155 Chamfer=FRONT |
| ATP ZA571 | #4295218 | RIng Gear Outer Diameter=13.195" Inner Diameter 11.885" Pitch=10 Width=.345" Teeth=131 Chamfer=NONE |
| ATP ZA573 | #1673646 | RIng Gear Outer Diameter=14.640" Inner Diameter 13.561" Pitch=12 Width=.350" Teeth=172 Chamfer=NONE |
| ATP ZA575 | #105171 | RIng Gear Outer Diameter=10.710" Inner Diameter 9.683" Pitch=10/12 Width=.511" Teeth=109 Chamfer=REAR |
| ATP ZA578 | #D2RY6384A | RIng Gear Outer Diameter=11.642" Inner Diameter 10.475" Pitch=12 Width=.373" Teeth=138 Chamfer=NONE |
| ATP ZA579 | #D5ZP6384AA | RIng Gear Outer Diameter=11.925" Inner Diameter 11.055" Pitch=12 Width=.365" Teeth=141 Chamfer=NONE |
| ATP ZA504 | #C4TZ6384A | RIng Gear Outer Diameter=16.102" Inner Diameter 14.728" Pitch=12 Width=.375" Teeth=188 Chamfer=NONE |
| ATP ZA514 | #3991409 | RIng Gear Outer Diameter=16.404" Inner Diameter 15.564" Pitch=12/14 Width=.420" Teeth=197 Chamfer=NONE |
| ATP ZA530 | #3737920 | RIng Gear Outer Diameter=16.473" Inner Diameter 15.670" Pitch=12 Width=.437" Teeth=197 Chamfer=NONE |
| ATP ZA538 | #14001923 | RIng Gear Outer Diameter=17.107" Inner Diameter 16.267" Pitch=12/14 Width=.453" Teeth=204 Chamfer=NONE |
| ATP ZA545 | #2121195 | RIng Gear Outer Diameter=12.520" Inner Diameter 11.189" Pitch=12 Width=.370" Teeth=148 Chamfer=NONE |
| ATP ZA547 | #PMB6384A | RIng Gear Outer Diameter=15.007" Inner Diameter 14.013" Pitch=10/12 Width=.370" Teeth=148 Chamfer=NONE |
| ATP ZA552 | #B7Q6384A | RIng Gear Outer Diameter=15.350" Inner Diameter 14.087" Pitch=10/12 Width=.370" Teeth=152 Chamfer=NONE |
| ATP ZA557 | #B6384 | RIng Gear Outer Diameter=14.162" Inner Diameter 12.420" Pitch=8 Width=.365" Teeth=112 Chamfer=REAR |
| ATP ZA558 | #2343768 | RIng Gear Outer Diameter=14.090" Inner Diameter 13.060" Pitch=12/14 Width=.486" Teeth=168 Chamfer=NONE |
| ATP ZA572 | #EAA6384A | RIng Gear Outer Diameter=14.774" Inner Diameter 13.352" Pitch=10 Width=.365" Teeth=146 Chamfer=NONE |
