PROBLEM TO BE SOLVED: To provide a work vehicle management system capable of managing an accumulated work time of each mounted work machine.SOLUTION: A work vehicle management system includes: a work vehicle (1) for performing work, in which a plurality of removable work machines (401) that perform work in a farm field (H) are selectively mounted on a travelling vehicle body (1a); an information processing terminal (TAB) capable of communicating with the work vehicle (1); specification means (CD2) provided to the information processing terminal (TAB) for specifying the mounted work machine (401); recording means (CD4) for recording an accumulated work time (t) of each work machine (401); and notification means (CD9) for notifying that the time has come to perform maintenance for the mounted work machine (401) when the accumulated work time (t) of the mounted work machine (401) has reached a preset maintenance time (ta).SELECTED DRAWING: Figure 11【課題】装着する作業機毎に累積作業時間を管理することができる作業車両の管理システムを提供すること。【解決手段】 圃場(H)で作業をする複数の着脱可能な作業機(401)が、走行車体(1a)に選択的に装着されて作業を行う作業車両(1)と、作業車両(1)と通信可能な情報処理端末(TAB)と、情報処理端末(TAB)に設けられ装着された作業機(401)を特定する特定手段(CD2)と、作業機(401)毎に累積作業時間(t)を記録する記録手段(CD4)と、装着された作業機(401)の累積作業時間(t)が予め設定されたメンテナンス時間(ta)に到達した場合に、装着された作業機(401)がメンテナンスすべき時期にあることを報知する報知手段(CD9)と、を備えた作業車両の管理システム。【選択図】図11