A-GG1000-AI Gauge, 1000 Lb.; Glycerin Filled model-74877 It is part of the

It is part of the track adjuster and recoil spring assembly that maintains proper track tension and alignment on these heavy-duty construction crawlers

3213793R91

020" (AR57209) variants -- select the correct size to match your reground crankshaft journal

128000-8551

extending filter life and protecting the engine

A-GG1000-AI Gauge, 1000 Lb.; Glycerin Filled model-74877 It is part of theOne New Aftermarket Gauge, 1000 Lb.; Glycerin Filled Glycerin filled to lubricate, help prevent point flutter and prevent corrosion of the movement. Dim A (1): Nickel silver movement, accurate to within 2% of full range reading. Dim B (2): PSI Bar Dial Dim C (3): 1 4" 18 NPT male fitting at bottom of gauge. Diameter: 2 1 2"