Cart
The cart and its near-kin the wagon appear across the UPDV as ordinary working vehicles drawn by oxen or kine, pressed into service for travel, harvest, sanctuary transport, and the carriage of the ark. The same object can carry rescue from famine, holy gifts to the Levites, or a holy object handled wrongly; prophets pick the cart up again as a figure for judgment's weight and for sin drawn along by deliberate effort.
Wagons for Jacob's Household
When Joseph reveals himself to his brothers, Pharaoh authorizes wagons as the practical means of relocation: "Now you are commanded, this you⁺ do: you⁺ take wagons out of the land of Egypt for your⁺ little ones, and for your⁺ wives, and bring your⁺ father, and come" (Gen 45:19). The wagons themselves persuade Jacob that the report is true — "when he saw the wagons which Joseph had sent to carry him, the spirit of Jacob their father revived" (Gen 45:27).
Wagons for the Tabernacle
At the dedication of the tabernacle the princes of Israel bring "six covered wagons, and twelve oxen; a wagon for every two of the princes, and for each one an ox" (Num 7:3). Yahweh instructs Moses to receive them "that they may be [used] in doing the service of the tent of meeting" (Num 7:5), and the wagons are distributed by Levitical clan: "Two wagons and four oxen he gave to the sons of Gershon, according to their service: and four wagons and eight oxen he gave to the sons of Merari, according to their service" (Num 7:7-8). The sons of Kohath receive none, "because the service of the sanctuary belonged to them; they bore it on their shoulders" (Num 7:9). Wagon-borne transport here is for the framework and coverings; the holiest objects are carried.
The Philistines' New Cart
When the ark afflicts the Philistines, their priests prescribe a test: "Now therefore you⁺ take and prepare a new cart, and two milch kine, on which there has come no yoke; and tie the kine to the cart, and bring their calves home from them" (1Sa 6:7). The ark and a coffer of guilt-offerings are placed on the cart and let go: "and take the ark of Yahweh, and lay it on the cart; and put the jewels of gold, which you⁺ return to him for a trespass-offering, in a coffer by its side; and send it away, that it may go" (1Sa 6:8). The cows, separated from their calves, take the road to Beth-shemesh on their own: "they went along the highway, lowing as they went, and didn't turn aside to the right hand or to the left" (1Sa 6:12). The Beth-shemites at the wheat harvest see the ark and rejoice (1Sa 6:13), and the cart's own wood becomes the altar — "they split the wood of the cart, and offered up the kine for a burnt-offering to Yahweh" (1Sa 6:14).
David's Cart and Uzzah
David's first attempt to bring the ark to Jerusalem reuses the Philistine method: "they set the ark of God on a new cart, and brought it out of the house of Abinadab that was in the hill: and Uzzah and Ahio, the sons of Abinadab, drove the cart" (2Sa 6:3). With music before Yahweh, the procession reaches "the threshing-floor of Nacon," where "the oxen stumbled" and Uzzah took hold of the ark (2Sa 6:6). "And the anger of Yahweh was kindled against Uzzah; and [the Speech of] God struck him there for the error; and there he died by the ark of God" (2Sa 6:7). The Chronicler tells the same scene: "they carried the ark of God on a new cart, [and brought it] out of the house of Abinadab: and Uzza and Ahio drove the cart" (1Ch 13:7), with David and all Israel playing before God "with all their might" (1Ch 13:8), until at "the threshing-floor of Chidon, Uzza put forth his hand to hold the ark; for the oxen stumbled" (1Ch 13:9). The cart that worked for the Philistines proves a fatal mode of conveyance for the ark in Israel.
The Cart Wheel at Threshing
Isaiah draws on the cart's role at harvest to picture proportionate judgment. Light grains take a light tool: "the fitches are not threshed with a sharp [threshing] instrument, neither is a cart wheel turned about on the cumin; but the fitches are beaten out with a staff, and the cumin with a rod" (Isa 28:27). Heavier grain takes the wheel, but with restraint: "Bread [grain] is ground; for he will not always be threshing it: and though the wheel of his cart and his horses scatter it, he does not grind it" (Isa 28:28). The cart wheel is a measured instrument, applied to the work that fits it.
Cart Imagery in the Prophets
Amos turns the loaded cart into a figure of pressure: "Look, I will press [you⁺] in your⁺ place, as a cart presses that is full of sheaves" (Am 2:13). Isaiah uses the cart-rope for the labor of sin — "Woe to those who draw iniquity with cords of falsehood, and sin as it were with a cart rope" (Isa 5:18). The same vehicle that brings home the harvest serves as a figure for the weight settling on the unfaithful and for the burden the wicked themselves haul along.