# Top Bid SN Guide

> Construction equipment serial number guide for year of manufacture and valuation. (iPhone/iPad app by Randall-Reilly, LLC.)

- Source: https://appshunter.io/ios/app/top-bid-sn-guide/id1307000029 (this page in markdown: same URL + `.md`)
- Developer: [Randall-Reilly, LLC](https://appshunter.io/developer/449869356)
- Category: Business, Reference
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 70 MB
- Languages: English
- Released: 2017-12-21
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/top-bid-sn-guide/id1307000029/reviews.md

## What is Top Bid SN Guide?

Validate the year of manufacture to ensure a reliable value. Avoid paying too much for used construction equipment or not asking enough when selling your current equipment. An error of just one model year (2005 vs. 2006, for example) can change the price by thousands of dollars.
The Serial Number Guide is the leading source for year-of-manufacture data on all major and hard-to-find construction equipment. This means you get over 50 years of serial number information from more than 585 manufacturers representing over 100 equipment types in construction, forestry, paving, material handling and aggregate industries – FAST!

## Key features

- Year of manufacture validation
- Accurate equipment valuation
- 50+ years of serial number data
- Over 585 manufacturers
- 100+ equipment types
- Construction, forestry, paving, material handling, aggregate industries


## Frequently asked questions about Top Bid SN Guide

### What is Top Bid SN Guide used for?

Top Bid SN Guide helps you determine the exact year of manufacture for construction equipment using its serial number. This is crucial for accurate valuation, ensuring you don't overpay or undersell.

### How much does Top Bid SN Guide cost?

Top Bid SN Guide is available for free, with no cost to download or use its core features for accessing serial number data.

### Does Top Bid SN Guide have ads?

No, Top Bid SN Guide does not contain advertisements, providing an uninterrupted user experience.

### What kind of equipment does Top Bid SN Guide cover?

The app covers over 100 types of equipment across construction, forestry, paving, material handling, and aggregate industries, from more than 585 manufacturers.

### How up-to-date is the data in Top Bid SN Guide?

The app provides over 50 years of serial number information. It was last updated on April 4, 2023, with version 1.4.

### What devices is Top Bid SN Guide compatible with?

Top Bid SN Guide is compatible with iPhones, iPads, and iPods, indicated by its supported devices list.

### What is the age rating for Top Bid SN Guide?

The app has an age rating of 4+, making it suitable for a wide range of users.

### How accurate is the year of manufacture data?

The app's primary function is to validate the year of manufacture to ensure reliable value. An error of just one model year can significantly impact pricing, highlighting the importance of this data.

## Version history (last 5 releases)

### 1.4 — 2023-04-04

-Bug fixes and improvements

### 1.3.3 — 2020-04-25

- Fixed iPad crash on launch
- General bug fixes and improvements

### 1.3.2 — 2020-04-16

- Ability to download latest TopBid data as it becomes available
- Bug fixes and improvements

### 1.3.1 — 2020-02-10

-Bug fixes and improvements

### 1.3 — 2020-02-07

- 2020 data update

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*