A soil sampler assembly includes a utility vehicle and a soil sampler module coupled to the utility vehicle. The utility vehicle includes a cab, and the soil sampler module is configured to deposit a soil sample in the cab. For example, the soil sampler assembly includes a conveyor system configured to convey the soil sample to the cab. The conveyor system includes a central conveyor and a lateral conveyor that feeds the central conveyor. The central conveyor is on a travel track. The soil sampler assembly further includes a sampler arm assembly. The sampler arm assembly includes a power cylinder, a guide cylinder, a transfer block, and a probe. The probe has a tip, and the tip of the probe includes an outer surface defining an outer taper bore and an inner surface defining an inner taper bore.