Description

Vibromax AT 25 1999 Parts Catalog – Factory OEM Specifications

You’ve got a Vibromax AT 25 vibrating plate on a lift, a handful of bolts you’re not sure belong, and a parts diagram from some third-party site that looks like it was faxed through a thunderstorm. I’ve been there. Nothing burns time like ordering the wrong gasket set because an aftermarket catalog mixed up the clutch and flywheel pages. This OEM Parts Catalog from 1999 is the real deal – factory printed, with exploded views and part numbers that match what Vibromax shipped from Düsseldorf. 93 pages, no guesswork.

What This 93-Page Parts Catalog Actually Covers

The manual breaks down the entire AT 25 into six major sections. Start with the Unterteil (lower section) and Oberteil (upper section). Inside the upper section you get the clutch (page 2–6), crankcase (2–8), crankshaft (2–12), camshaft (2–14), piston and connecting rod (2–16), cylinder head (2–18), oil pump with governor and speed control (2–22), timing cover (2–28), flywheel (2–32), injection equipment (2–34), recoil starter (2–38), air duct (2–40), crankcase breathing system (2–44), fuel tank (2–46), air filter (2–52), and exhaust (2–54). After that you get the guiding bar assembly, decals, and a whole section for special accessories: tamping plate extensions in 50mm, 75mm, 100mm, plus Vulkollan plates from 400mm up to 600mm. Every exploded view has a parts key with the Vibromax part number. No generic “use this seal” garbage.

Upper Section Breakdown: Clutch, Crankshaft, and Camshaft

If you’re rebuilding the HATZ 1B30 engine (the one that powers these plates), the upper section chapters are where you’ll live. The clutch chapter (2–6) shows the drive coupling assembly and lists the exact bearings. The crankshaft chapter (2–12) includes the connecting rod bolts and timing gear – critical if you’ve got a runner that hammered a bearing. Camshaft section (2–14) covers the rocker arm supports and pushrod guides. Each part has a circled callout and a corresponding number in the parts list. You match that number, order the part, done. No translating crappy photocopy scans.

3 Reasons to Trust Factory OEM Over Aftermarket Parts Catalogs

1. Accuracy of part numbers. Aftermarket catalogs often re-index parts, swap hardware, or omit superseded revisions. This Vibromax factory catalog uses original HATZ part numbers. If you order a piston ring set by the number on page 2–16, it fits. 2. Correct fastener callouts. Aftermarket sheets love to write “screw, M8” without specifying length or grade. This manual gives the exact Vibromax fastener code. 3. Exploded views drawn to scale. The assembly drawings are from original engineering data. You can see how the oil pump screen sits relative to the crankcase web. That’s something a photocopy of a photocopy loses.

Does This Catalog Include Exploded-View Diagrams?

Yes – every major assembly has a full-page exploded drawing. The fuel tank section (page 2–46) shows the filler neck, shutoff valve, and return line routing. The injection equipment chapter (page 2–34) includes the pump mounting bracket and delivery lines. The decals section (page 4–2) even shows the correct placement of warning labels. If you’re restoring a machine that had its decals peeled off by a previous owner, that’s gold.

Safety Warnings and Workshop Tips for Vibrating Plate Repairs

Working on a vibrating plate means dealing with heavy components – the base plate, the exciter housing, and the engine assembly. The manual doesn’t have a dedicated safety chapter, but the exploded views show where lock washers and thread-locking compound belong. Pay attention to the clamping ring on the Vulkollan plate assemblies (pages 5–8 through 5–14). Those plates are thick rubber bonded to steel. If you try to hammer them off without using the correct puller, you’ll ruin the mounting flange. Use the factory part number to order the puller, not a universal set.

Frequently Asked Questions

Is this the same manual that Vibromax dealerships used in 1999?

Yes. This is the official OEM parts catalog published in August 1999. The DIN EN ISO 9001 cert on the front page matches the one issued to Vibromax in Düsseldorf. The part numbers are factory-original.

Will it help me rebuild the HATZ engine on my AT 25?

It shows every engine part – crankcase, crankshaft, piston, cylinder head, injection pump, recoil starter – with part numbers and exploded views. For torque specs and assembly clearances you need the separate service manual, but for ordering parts this is the one.

If you’re tired of staring at blurry aftermarket diagrams and waiting for the wrong parts to show up, get the factory book. Access the Factory Manual now and have the correct Vibromax AT 25 parts breakdown on your tablet or printed bench sheet today. Related manuals: VIBROMAX AV 901 Parts Catalog 06027/28020, VIBROMAX AV 601 Parts Catalog 06025/28020, VIBROMAX AT 8 Parts Catalog 05408/28020. For background on construction equipment documentation standards, see Automotive Industry Overview and Automotive Industry Overview.